90289160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{433}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 219829680

約数和(自身を除く): 129540520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 401, 433, 520, 802, 866, 1604, 1732, 2005, 2165, 3208, 3464, 4010, 4330, 5213, 5629, 8020, 8660, 10426, 11258, 16040, 17320, 20852, 22516, 26065, 28145, 41704, 45032, 52130, 56290, 104260, 112580, 173633, 208520, 225160, 347266, 694532, 868165, 1389064, 1736330, 2257229, 3472660, 4514458, 6945320, 9028916, 11286145, 18057832, 22572290, 45144580, 90289160]

約数ペア:

[(1, 90289160), (2, 45144580), (4, 22572290), (5, 18057832), (8, 11286145), (10, 9028916), (13, 6945320), (20, 4514458), (26, 3472660), (40, 2257229), (52, 1736330), (65, 1389064), (104, 868165), (130, 694532), (260, 347266), (401, 225160), (433, 208520), (520, 173633), (802, 112580), (866, 104260), (1604, 56290), (1732, 52130), (2005, 45032), (2165, 41704), (3208, 28145), (3464, 26065), (4010, 22516), (4330, 20852), (5213, 17320), (5629, 16040), (8020, 11258), (8660, 10426)]