23978440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{14621}}^1$

素因数の和:14673

約数の個数: 32

約数和(自身を含む): 55271160

約数和(自身を除く): 31292720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 14621, 29242, 58484, 73105, 116968, 146210, 292420, 584840, 599461, 1198922, 2397844, 2997305, 4795688, 5994610, 11989220, 23978440]

約数ペア:

[(1, 23978440), (2, 11989220), (4, 5994610), (5, 4795688), (8, 2997305), (10, 2397844), (20, 1198922), (40, 599461), (41, 584840), (82, 292420), (164, 146210), (205, 116968), (328, 73105), (410, 58484), (820, 29242), (1640, 14621)]