64756640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:382

約数の個数: 96

約数和(自身を含む): 166634496

約数和(自身を除く): 101877856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 163, 191, 208, 260, 326, 382, 416, 520, 652, 764, 815, 955, 1040, 1304, 1528, 1630, 1910, 2080, 2119, 2483, 2608, 3056, 3260, 3820, 4238, 4966, 5216, 6112, 6520, 7640, 8476, 9932, 10595, 12415, 13040, 15280, 16952, 19864, 21190, 24830, 26080, 30560, 31133, 33904, 39728, 42380, 49660, 62266, 67808, 79456, 84760, 99320, 124532, 155665, 169520, 198640, 249064, 311330, 339040, 397280, 404729, 498128, 622660, 809458, 996256, 1245320, 1618916, 2023645, 2490640, 3237832, 4047290, 4981280, 6475664, 8094580, 12951328, 16189160, 32378320, 64756640]

約数ペア:

[(1, 64756640), (2, 32378320), (4, 16189160), (5, 12951328), (8, 8094580), (10, 6475664), (13, 4981280), (16, 4047290), (20, 3237832), (26, 2490640), (32, 2023645), (40, 1618916), (52, 1245320), (65, 996256), (80, 809458), (104, 622660), (130, 498128), (160, 404729), (163, 397280), (191, 339040), (208, 311330), (260, 249064), (326, 198640), (382, 169520), (416, 155665), (520, 124532), (652, 99320), (764, 84760), (815, 79456), (955, 67808), (1040, 62266), (1304, 49660), (1528, 42380), (1630, 39728), (1910, 33904), (2080, 31133), (2119, 30560), (2483, 26080), (2608, 24830), (3056, 21190), (3260, 19864), (3820, 16952), (4238, 15280), (4966, 13040), (5216, 12415), (6112, 10595), (6520, 9932), (7640, 8476)]