71671240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 167443200

約数和(自身を除く): 95771960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 67, 94, 134, 188, 235, 268, 335, 376, 470, 536, 569, 670, 940, 1138, 1340, 1880, 2276, 2680, 2845, 3149, 4552, 5690, 6298, 11380, 12596, 15745, 22760, 25192, 26743, 31490, 38123, 53486, 62980, 76246, 106972, 125960, 133715, 152492, 190615, 213944, 267430, 304984, 381230, 534860, 762460, 1069720, 1524920, 1791781, 3583562, 7167124, 8958905, 14334248, 17917810, 35835620, 71671240]

約数ペア:

[(1, 71671240), (2, 35835620), (4, 17917810), (5, 14334248), (8, 8958905), (10, 7167124), (20, 3583562), (40, 1791781), (47, 1524920), (67, 1069720), (94, 762460), (134, 534860), (188, 381230), (235, 304984), (268, 267430), (335, 213944), (376, 190615), (470, 152492), (536, 133715), (569, 125960), (670, 106972), (940, 76246), (1138, 62980), (1340, 53486), (1880, 38123), (2276, 31490), (2680, 26743), (2845, 25192), (3149, 22760), (4552, 15745), (5690, 12596), (6298, 11380)]