28589920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:512

約数の個数: 96

約数和(自身を含む): 74789568

約数和(自身を除く): 46199648

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 68, 80, 85, 92, 115, 136, 160, 170, 184, 230, 272, 340, 368, 391, 457, 460, 544, 680, 736, 782, 914, 920, 1360, 1564, 1828, 1840, 1955, 2285, 2720, 3128, 3656, 3680, 3910, 4570, 6256, 7312, 7769, 7820, 9140, 10511, 12512, 14624, 15538, 15640, 18280, 21022, 31076, 31280, 36560, 38845, 42044, 52555, 62152, 62560, 73120, 77690, 84088, 105110, 124304, 155380, 168176, 178687, 210220, 248608, 310760, 336352, 357374, 420440, 621520, 714748, 840880, 893435, 1243040, 1429496, 1681760, 1786870, 2858992, 3573740, 5717984, 7147480, 14294960, 28589920]

約数ペア:

[(1, 28589920), (2, 14294960), (4, 7147480), (5, 5717984), (8, 3573740), (10, 2858992), (16, 1786870), (17, 1681760), (20, 1429496), (23, 1243040), (32, 893435), (34, 840880), (40, 714748), (46, 621520), (68, 420440), (80, 357374), (85, 336352), (92, 310760), (115, 248608), (136, 210220), (160, 178687), (170, 168176), (184, 155380), (230, 124304), (272, 105110), (340, 84088), (368, 77690), (391, 73120), (457, 62560), (460, 62152), (544, 52555), (680, 42044), (736, 38845), (782, 36560), (914, 31280), (920, 31076), (1360, 21022), (1564, 18280), (1828, 15640), (1840, 15538), (1955, 14624), (2285, 12512), (2720, 10511), (3128, 9140), (3656, 7820), (3680, 7769), (3910, 7312), (4570, 6256)]