40001940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 134447040

約数和(自身を除く): 94445100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 89, 90, 99, 110, 132, 165, 178, 180, 198, 220, 227, 267, 330, 356, 396, 445, 454, 495, 534, 660, 681, 801, 890, 908, 979, 990, 1068, 1135, 1335, 1362, 1602, 1780, 1958, 1980, 2043, 2270, 2497, 2670, 2724, 2937, 3204, 3405, 3916, 4005, 4086, 4540, 4895, 4994, 5340, 5874, 6810, 7491, 8010, 8172, 8811, 9790, 9988, 10215, 11748, 12485, 13620, 14685, 14982, 16020, 17622, 19580, 20203, 20430, 22473, 24970, 29370, 29964, 35244, 37455, 40406, 40860, 44055, 44946, 49940, 58740, 60609, 74910, 80812, 88110, 89892, 101015, 112365, 121218, 149820, 176220, 181827, 202030, 222233, 224730, 242436, 303045, 363654, 404060, 444466, 449460, 606090, 666699, 727308, 888932, 909135, 1111165, 1212180, 1333398, 1818270, 2000097, 2222330, 2666796, 3333495, 3636540, 4000194, 4444660, 6666990, 8000388, 10000485, 13333980, 20000970, 40001940]

約数ペア:

[(1, 40001940), (2, 20000970), (3, 13333980), (4, 10000485), (5, 8000388), (6, 6666990), (9, 4444660), (10, 4000194), (11, 3636540), (12, 3333495), (15, 2666796), (18, 2222330), (20, 2000097), (22, 1818270), (30, 1333398), (33, 1212180), (36, 1111165), (44, 909135), (45, 888932), (55, 727308), (60, 666699), (66, 606090), (89, 449460), (90, 444466), (99, 404060), (110, 363654), (132, 303045), (165, 242436), (178, 224730), (180, 222233), (198, 202030), (220, 181827), (227, 176220), (267, 149820), (330, 121218), (356, 112365), (396, 101015), (445, 89892), (454, 88110), (495, 80812), (534, 74910), (660, 60609), (681, 58740), (801, 49940), (890, 44946), (908, 44055), (979, 40860), (990, 40406), (1068, 37455), (1135, 35244), (1335, 29964), (1362, 29370), (1602, 24970), (1780, 22473), (1958, 20430), (1980, 20203), (2043, 19580), (2270, 17622), (2497, 16020), (2670, 14982), (2724, 14685), (2937, 13620), (3204, 12485), (3405, 11748), (3916, 10215), (4005, 9988), (4086, 9790), (4540, 8811), (4895, 8172), (4994, 8010), (5340, 7491), (5874, 6810)]