87320675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 124992000

約数和(自身を除く): 37671325

約数列:

[1, 5, 13, 19, 25, 65, 79, 95, 179, 247, 325, 395, 475, 895, 1027, 1235, 1501, 1975, 2327, 3401, 4475, 5135, 6175, 7505, 11635, 14141, 17005, 19513, 25675, 37525, 44213, 58175, 70705, 85025, 97565, 183833, 221065, 268679, 353525, 487825, 919165, 1105325, 1343395, 3492827, 4595825, 6716975, 17464135, 87320675]

約数ペア:

[(1, 87320675), (5, 17464135), (13, 6716975), (19, 4595825), (25, 3492827), (65, 1343395), (79, 1105325), (95, 919165), (179, 487825), (247, 353525), (325, 268679), (395, 221065), (475, 183833), (895, 97565), (1027, 85025), (1235, 70705), (1501, 58175), (1975, 44213), (2327, 37525), (3401, 25675), (4475, 19513), (5135, 17005), (6175, 14141), (7505, 11635)]