67643440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{503}}^1$

素因数の和:598

約数の個数: 60

約数和(自身を含む): 161520912

約数和(自身を除く): 93877472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 503, 656, 820, 1006, 1640, 1681, 2012, 2515, 3280, 3362, 4024, 5030, 6724, 8048, 8405, 10060, 13448, 16810, 20120, 20623, 26896, 33620, 40240, 41246, 67240, 82492, 103115, 134480, 164984, 206230, 329968, 412460, 824920, 845543, 1649840, 1691086, 3382172, 4227715, 6764344, 8455430, 13528688, 16910860, 33821720, 67643440]

約数ペア:

[(1, 67643440), (2, 33821720), (4, 16910860), (5, 13528688), (8, 8455430), (10, 6764344), (16, 4227715), (20, 3382172), (40, 1691086), (41, 1649840), (80, 845543), (82, 824920), (164, 412460), (205, 329968), (328, 206230), (410, 164984), (503, 134480), (656, 103115), (820, 82492), (1006, 67240), (1640, 41246), (1681, 40240), (2012, 33620), (2515, 26896), (3280, 20623), (3362, 20120), (4024, 16810), (5030, 13448), (6724, 10060), (8048, 8405)]