8155240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 19828800

約数和(自身を除く): 11673560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 179, 268, 335, 340, 358, 536, 670, 680, 716, 895, 1139, 1340, 1432, 1790, 2278, 2680, 3043, 3580, 4556, 5695, 6086, 7160, 9112, 11390, 11993, 12172, 15215, 22780, 23986, 24344, 30430, 45560, 47972, 59965, 60860, 95944, 119930, 121720, 203881, 239860, 407762, 479720, 815524, 1019405, 1631048, 2038810, 4077620, 8155240]

約数ペア:

[(1, 8155240), (2, 4077620), (4, 2038810), (5, 1631048), (8, 1019405), (10, 815524), (17, 479720), (20, 407762), (34, 239860), (40, 203881), (67, 121720), (68, 119930), (85, 95944), (134, 60860), (136, 59965), (170, 47972), (179, 45560), (268, 30430), (335, 24344), (340, 23986), (358, 22780), (536, 15215), (670, 12172), (680, 11993), (716, 11390), (895, 9112), (1139, 7160), (1340, 6086), (1432, 5695), (1790, 4556), (2278, 3580), (2680, 3043)]