15156880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4621}}^1$

素因数の和:4675

約数の個数: 40

約数和(自身を含む): 36107064

約数和(自身を除く): 20950184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 4621, 9242, 18484, 23105, 36968, 46210, 73936, 92420, 184840, 189461, 369680, 378922, 757844, 947305, 1515688, 1894610, 3031376, 3789220, 7578440, 15156880]

約数ペア:

[(1, 15156880), (2, 7578440), (4, 3789220), (5, 3031376), (8, 1894610), (10, 1515688), (16, 947305), (20, 757844), (40, 378922), (41, 369680), (80, 189461), (82, 184840), (164, 92420), (205, 73936), (328, 46210), (410, 36968), (656, 23105), (820, 18484), (1640, 9242), (3280, 4621)]