40016000

素因数分解:

$2^7\times 5^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 103587120

約数和(自身を除く): 63571120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 61, 64, 80, 82, 100, 122, 125, 128, 160, 164, 200, 205, 244, 250, 305, 320, 328, 400, 410, 488, 500, 610, 640, 656, 800, 820, 976, 1000, 1025, 1220, 1312, 1525, 1600, 1640, 1952, 2000, 2050, 2440, 2501, 2624, 3050, 3200, 3280, 3904, 4000, 4100, 4880, 5002, 5125, 5248, 6100, 6560, 7625, 7808, 8000, 8200, 9760, 10004, 10250, 12200, 12505, 13120, 15250, 16000, 16400, 19520, 20008, 20500, 24400, 25010, 26240, 30500, 32800, 39040, 40016, 41000, 48800, 50020, 61000, 62525, 65600, 80032, 82000, 97600, 100040, 122000, 125050, 131200, 160064, 164000, 195200, 200080, 244000, 250100, 312625, 320128, 328000, 400160, 488000, 500200, 625250, 656000, 800320, 976000, 1000400, 1250500, 1600640, 2000800, 2501000, 4001600, 5002000, 8003200, 10004000, 20008000, 40016000]

約数ペア:

[(1, 40016000), (2, 20008000), (4, 10004000), (5, 8003200), (8, 5002000), (10, 4001600), (16, 2501000), (20, 2000800), (25, 1600640), (32, 1250500), (40, 1000400), (41, 976000), (50, 800320), (61, 656000), (64, 625250), (80, 500200), (82, 488000), (100, 400160), (122, 328000), (125, 320128), (128, 312625), (160, 250100), (164, 244000), (200, 200080), (205, 195200), (244, 164000), (250, 160064), (305, 131200), (320, 125050), (328, 122000), (400, 100040), (410, 97600), (488, 82000), (500, 80032), (610, 65600), (640, 62525), (656, 61000), (800, 50020), (820, 48800), (976, 41000), (1000, 40016), (1025, 39040), (1220, 32800), (1312, 30500), (1525, 26240), (1600, 25010), (1640, 24400), (1952, 20500), (2000, 20008), (2050, 19520), (2440, 16400), (2501, 16000), (2624, 15250), (3050, 13120), (3200, 12505), (3280, 12200), (3904, 10250), (4000, 10004), (4100, 9760), (4880, 8200), (5002, 8000), (5125, 7808), (5248, 7625), (6100, 6560)]