28661859080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1217}}^1\times {\mathrm{15913}}^1$

素因数の和:17178

約数の個数: 64

約数和(自身を含む): 66290721840

約数和(自身を除く): 37628862760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1217, 1480, 2434, 4868, 6085, 9736, 12170, 15913, 24340, 31826, 45029, 48680, 63652, 79565, 90058, 127304, 159130, 180116, 225145, 318260, 360232, 450290, 588781, 636520, 900580, 1177562, 1801160, 2355124, 2943905, 4710248, 5887810, 11775620, 19366121, 23551240, 38732242, 77464484, 96830605, 154928968, 193661210, 387322420, 716546477, 774644840, 1433092954, 2866185908, 3582732385, 5732371816, 7165464770, 14330929540, 28661859080]

約数ペア:

[(1, 28661859080), (2, 14330929540), (4, 7165464770), (5, 5732371816), (8, 3582732385), (10, 2866185908), (20, 1433092954), (37, 774644840), (40, 716546477), (74, 387322420), (148, 193661210), (185, 154928968), (296, 96830605), (370, 77464484), (740, 38732242), (1217, 23551240), (1480, 19366121), (2434, 11775620), (4868, 5887810), (6085, 4710248), (9736, 2943905), (12170, 2355124), (15913, 1801160), (24340, 1177562), (31826, 900580), (45029, 636520), (48680, 588781), (63652, 450290), (79565, 360232), (90058, 318260), (127304, 225145), (159130, 180116)]