42018440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25621}}^1$

素因数の和:25673

約数の個数: 32

約数和(自身を含む): 96851160

約数和(自身を除く): 54832720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 25621, 51242, 102484, 128105, 204968, 256210, 512420, 1024840, 1050461, 2100922, 4201844, 5252305, 8403688, 10504610, 21009220, 42018440]

約数ペア:

[(1, 42018440), (2, 21009220), (4, 10504610), (5, 8403688), (8, 5252305), (10, 4201844), (20, 2100922), (40, 1050461), (41, 1024840), (82, 512420), (164, 256210), (205, 204968), (328, 128105), (410, 102484), (820, 51242), (1640, 25621)]