65517920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2423}}^1$

素因数の和:2464

約数の個数: 72

約数和(自身を含む): 167677776

約数和(自身を除く): 102159856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2423, 2704, 3380, 4846, 5408, 6760, 9692, 12115, 13520, 19384, 24230, 27040, 31499, 38768, 48460, 62998, 77536, 96920, 125996, 157495, 193840, 251992, 314990, 387680, 409487, 503984, 629980, 818974, 1007968, 1259960, 1637948, 2047435, 2519920, 3275896, 4094870, 5039840, 6551792, 8189740, 13103584, 16379480, 32758960, 65517920]

約数ペア:

[(1, 65517920), (2, 32758960), (4, 16379480), (5, 13103584), (8, 8189740), (10, 6551792), (13, 5039840), (16, 4094870), (20, 3275896), (26, 2519920), (32, 2047435), (40, 1637948), (52, 1259960), (65, 1007968), (80, 818974), (104, 629980), (130, 503984), (160, 409487), (169, 387680), (208, 314990), (260, 251992), (338, 193840), (416, 157495), (520, 125996), (676, 96920), (845, 77536), (1040, 62998), (1352, 48460), (1690, 38768), (2080, 31499), (2423, 27040), (2704, 24230), (3380, 19384), (4846, 13520), (5408, 12115), (6760, 9692)]