18065840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:654

約数の個数: 80

約数和(自身を含む): 46872000

約数和(自身を除く): 28806160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 377, 464, 520, 580, 599, 754, 1040, 1160, 1198, 1508, 1885, 2320, 2396, 2995, 3016, 3770, 4792, 5990, 6032, 7540, 7787, 9584, 11980, 15080, 15574, 17371, 23960, 30160, 31148, 34742, 38935, 47920, 62296, 69484, 77870, 86855, 124592, 138968, 155740, 173710, 225823, 277936, 311480, 347420, 451646, 622960, 694840, 903292, 1129115, 1389680, 1806584, 2258230, 3613168, 4516460, 9032920, 18065840]

約数ペア:

[(1, 18065840), (2, 9032920), (4, 4516460), (5, 3613168), (8, 2258230), (10, 1806584), (13, 1389680), (16, 1129115), (20, 903292), (26, 694840), (29, 622960), (40, 451646), (52, 347420), (58, 311480), (65, 277936), (80, 225823), (104, 173710), (116, 155740), (130, 138968), (145, 124592), (208, 86855), (232, 77870), (260, 69484), (290, 62296), (377, 47920), (464, 38935), (520, 34742), (580, 31148), (599, 30160), (754, 23960), (1040, 17371), (1160, 15574), (1198, 15080), (1508, 11980), (1885, 9584), (2320, 7787), (2396, 7540), (2995, 6032), (3016, 5990), (3770, 4792)]