51437240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1129}}^1$

素因数の和:1224

約数の個数: 64

約数和(自身を含む): 124480800

約数和(自身を除く): 73043560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 335, 340, 536, 670, 680, 1129, 1139, 1340, 2258, 2278, 2680, 4516, 4556, 5645, 5695, 9032, 9112, 11290, 11390, 19193, 22580, 22780, 38386, 45160, 45560, 75643, 76772, 95965, 151286, 153544, 191930, 302572, 378215, 383860, 605144, 756430, 767720, 1285931, 1512860, 2571862, 3025720, 5143724, 6429655, 10287448, 12859310, 25718620, 51437240]

約数ペア:

[(1, 51437240), (2, 25718620), (4, 12859310), (5, 10287448), (8, 6429655), (10, 5143724), (17, 3025720), (20, 2571862), (34, 1512860), (40, 1285931), (67, 767720), (68, 756430), (85, 605144), (134, 383860), (136, 378215), (170, 302572), (268, 191930), (335, 153544), (340, 151286), (536, 95965), (670, 76772), (680, 75643), (1129, 45560), (1139, 45160), (1340, 38386), (2258, 22780), (2278, 22580), (2680, 19193), (4516, 11390), (4556, 11290), (5645, 9112), (5695, 9032)]