25923640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 62791200

約数和(自身を除く): 36867560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 335, 340, 536, 569, 670, 680, 1138, 1139, 1340, 2276, 2278, 2680, 2845, 4552, 4556, 5690, 5695, 9112, 9673, 11380, 11390, 19346, 22760, 22780, 38123, 38692, 45560, 48365, 76246, 77384, 96730, 152492, 190615, 193460, 304984, 381230, 386920, 648091, 762460, 1296182, 1524920, 2592364, 3240455, 5184728, 6480910, 12961820, 25923640]

約数ペア:

[(1, 25923640), (2, 12961820), (4, 6480910), (5, 5184728), (8, 3240455), (10, 2592364), (17, 1524920), (20, 1296182), (34, 762460), (40, 648091), (67, 386920), (68, 381230), (85, 304984), (134, 193460), (136, 190615), (170, 152492), (268, 96730), (335, 77384), (340, 76246), (536, 48365), (569, 45560), (670, 38692), (680, 38123), (1138, 22780), (1139, 22760), (1340, 19346), (2276, 11390), (2278, 11380), (2680, 9673), (2845, 9112), (4552, 5695), (4556, 5690)]