90770440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{37201}}^1$

素因数の和:37273

約数の個数: 32

約数和(自身を含む): 207587160

約数和(自身を除く): 116816720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 37201, 74402, 148804, 186005, 297608, 372010, 744020, 1488040, 2269261, 4538522, 9077044, 11346305, 18154088, 22692610, 45385220, 90770440]

約数ペア:

[(1, 90770440), (2, 45385220), (4, 22692610), (5, 18154088), (8, 11346305), (10, 9077044), (20, 4538522), (40, 2269261), (61, 1488040), (122, 744020), (244, 372010), (305, 297608), (488, 186005), (610, 148804), (1220, 74402), (2440, 37201)]