40768040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{359}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 97977600

約数和(自身を除く): 57209560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 167, 170, 334, 340, 359, 668, 680, 718, 835, 1336, 1436, 1670, 1795, 2839, 2872, 3340, 3590, 5678, 6103, 6680, 7180, 11356, 12206, 14195, 14360, 22712, 24412, 28390, 30515, 48824, 56780, 59953, 61030, 113560, 119906, 122060, 239812, 244120, 299765, 479624, 599530, 1019201, 1199060, 2038402, 2398120, 4076804, 5096005, 8153608, 10192010, 20384020, 40768040]

約数ペア:

[(1, 40768040), (2, 20384020), (4, 10192010), (5, 8153608), (8, 5096005), (10, 4076804), (17, 2398120), (20, 2038402), (34, 1199060), (40, 1019201), (68, 599530), (85, 479624), (136, 299765), (167, 244120), (170, 239812), (334, 122060), (340, 119906), (359, 113560), (668, 61030), (680, 59953), (718, 56780), (835, 48824), (1336, 30515), (1436, 28390), (1670, 24412), (1795, 22712), (2839, 14360), (2872, 14195), (3340, 12206), (3590, 11356), (5678, 7180), (6103, 6680)]