31517960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{367}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 75513600

約数和(自身を除く): 43995640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 113, 152, 190, 226, 367, 380, 452, 565, 734, 760, 904, 1130, 1468, 1835, 2147, 2260, 2936, 3670, 4294, 4520, 6973, 7340, 8588, 10735, 13946, 14680, 17176, 21470, 27892, 34865, 41471, 42940, 55784, 69730, 82942, 85880, 139460, 165884, 207355, 278920, 331768, 414710, 787949, 829420, 1575898, 1658840, 3151796, 3939745, 6303592, 7879490, 15758980, 31517960]

約数ペア:

[(1, 31517960), (2, 15758980), (4, 7879490), (5, 6303592), (8, 3939745), (10, 3151796), (19, 1658840), (20, 1575898), (38, 829420), (40, 787949), (76, 414710), (95, 331768), (113, 278920), (152, 207355), (190, 165884), (226, 139460), (367, 85880), (380, 82942), (452, 69730), (565, 55784), (734, 42940), (760, 41471), (904, 34865), (1130, 27892), (1468, 21470), (1835, 17176), (2147, 14680), (2260, 13946), (2936, 10735), (3670, 8588), (4294, 7340), (4520, 6973)]