90619160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{37139}}^1$

素因数の和:37211

約数の個数: 32

約数和(自身を含む): 207241200

約数和(自身を除く): 116622040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 37139, 74278, 148556, 185695, 297112, 371390, 742780, 1485560, 2265479, 4530958, 9061916, 11327395, 18123832, 22654790, 45309580, 90619160]

約数ペア:

[(1, 90619160), (2, 45309580), (4, 22654790), (5, 18123832), (8, 11327395), (10, 9061916), (20, 4530958), (40, 2265479), (61, 1485560), (122, 742780), (244, 371390), (305, 297112), (488, 185695), (610, 148556), (1220, 74278), (2440, 37139)]