28622560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{619}}^1$

素因数の和:668

約数の個数: 72

約数和(自身を含む): 71948520

約数和(自身を除く): 43325960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 619, 680, 1156, 1238, 1360, 1445, 2312, 2476, 2720, 2890, 3095, 4624, 4952, 5780, 6190, 9248, 9904, 10523, 11560, 12380, 19808, 21046, 23120, 24760, 42092, 46240, 49520, 52615, 84184, 99040, 105230, 168368, 178891, 210460, 336736, 357782, 420920, 715564, 841840, 894455, 1431128, 1683680, 1788910, 2862256, 3577820, 5724512, 7155640, 14311280, 28622560]

約数ペア:

[(1, 28622560), (2, 14311280), (4, 7155640), (5, 5724512), (8, 3577820), (10, 2862256), (16, 1788910), (17, 1683680), (20, 1431128), (32, 894455), (34, 841840), (40, 715564), (68, 420920), (80, 357782), (85, 336736), (136, 210460), (160, 178891), (170, 168368), (272, 105230), (289, 99040), (340, 84184), (544, 52615), (578, 49520), (619, 46240), (680, 42092), (1156, 24760), (1238, 23120), (1360, 21046), (1445, 19808), (2312, 12380), (2476, 11560), (2720, 10523), (2890, 9904), (3095, 9248), (4624, 6190), (4952, 5780)]