28115712880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{104009}}^1$

素因数の和:104162

約数の個数: 80

約数和(自身を含む): 68097427200

約数和(自身を除く): 39981714320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 109, 124, 155, 218, 248, 310, 436, 496, 545, 620, 872, 1090, 1240, 1744, 2180, 2480, 3379, 4360, 6758, 8720, 13516, 16895, 27032, 33790, 54064, 67580, 104009, 135160, 208018, 270320, 416036, 520045, 832072, 1040090, 1664144, 2080180, 3224279, 4160360, 6448558, 8320720, 11336981, 12897116, 16121395, 22673962, 25794232, 32242790, 45347924, 51588464, 56684905, 64485580, 90695848, 113369810, 128971160, 181391696, 226739620, 257942320, 351446411, 453479240, 702892822, 906958480, 1405785644, 1757232055, 2811571288, 3514464110, 5623142576, 7028928220, 14057856440, 28115712880]

約数ペア:

[(1, 28115712880), (2, 14057856440), (4, 7028928220), (5, 5623142576), (8, 3514464110), (10, 2811571288), (16, 1757232055), (20, 1405785644), (31, 906958480), (40, 702892822), (62, 453479240), (80, 351446411), (109, 257942320), (124, 226739620), (155, 181391696), (218, 128971160), (248, 113369810), (310, 90695848), (436, 64485580), (496, 56684905), (545, 51588464), (620, 45347924), (872, 32242790), (1090, 25794232), (1240, 22673962), (1744, 16121395), (2180, 12897116), (2480, 11336981), (3379, 8320720), (4360, 6448558), (6758, 4160360), (8720, 3224279), (13516, 2080180), (16895, 1664144), (27032, 1040090), (33790, 832072), (54064, 520045), (67580, 416036), (104009, 270320), (135160, 208018)]