101121040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{937}}^1$

素因数の和:1040

約数の個数: 80

約数和(自身を含む): 251233920

約数和(自身を除く): 150112880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 568, 710, 760, 937, 1136, 1349, 1420, 1520, 1874, 2698, 2840, 3748, 4685, 5396, 5680, 6745, 7496, 9370, 10792, 13490, 14992, 17803, 18740, 21584, 26980, 35606, 37480, 53960, 66527, 71212, 74960, 89015, 107920, 133054, 142424, 178030, 266108, 284848, 332635, 356060, 532216, 665270, 712120, 1064432, 1264013, 1330540, 1424240, 2528026, 2661080, 5056052, 5322160, 6320065, 10112104, 12640130, 20224208, 25280260, 50560520, 101121040]

約数ペア:

[(1, 101121040), (2, 50560520), (4, 25280260), (5, 20224208), (8, 12640130), (10, 10112104), (16, 6320065), (19, 5322160), (20, 5056052), (38, 2661080), (40, 2528026), (71, 1424240), (76, 1330540), (80, 1264013), (95, 1064432), (142, 712120), (152, 665270), (190, 532216), (284, 356060), (304, 332635), (355, 284848), (380, 266108), (568, 178030), (710, 142424), (760, 133054), (937, 107920), (1136, 89015), (1349, 74960), (1420, 71212), (1520, 66527), (1874, 53960), (2698, 37480), (2840, 35606), (3748, 26980), (4685, 21584), (5396, 18740), (5680, 17803), (6745, 14992), (7496, 13490), (9370, 10792)]