90038440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{36901}}^1$

素因数の和:36973

約数の個数: 32

約数和(自身を含む): 205913160

約数和(自身を除く): 115874720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 36901, 73802, 147604, 184505, 295208, 369010, 738020, 1476040, 2250961, 4501922, 9003844, 11254805, 18007688, 22509610, 45019220, 90038440]

約数ペア:

[(1, 90038440), (2, 45019220), (4, 22509610), (5, 18007688), (8, 11254805), (10, 9003844), (20, 4501922), (40, 2250961), (61, 1476040), (122, 738020), (244, 369010), (305, 295208), (488, 184505), (610, 147604), (1220, 73802), (2440, 36901)]