26539760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^3\times {\mathrm{151}}^1$

素因数の和:203

約数の個数: 80

約数和(自身を含む): 67287360

約数和(自身を除く): 40747600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 151, 169, 208, 260, 302, 338, 520, 604, 676, 755, 845, 1040, 1208, 1352, 1510, 1690, 1963, 2197, 2416, 2704, 3020, 3380, 3926, 4394, 6040, 6760, 7852, 8788, 9815, 10985, 12080, 13520, 15704, 17576, 19630, 21970, 25519, 31408, 35152, 39260, 43940, 51038, 78520, 87880, 102076, 127595, 157040, 175760, 204152, 255190, 331747, 408304, 510380, 663494, 1020760, 1326988, 1658735, 2041520, 2653976, 3317470, 5307952, 6634940, 13269880, 26539760]

約数ペア:

[(1, 26539760), (2, 13269880), (4, 6634940), (5, 5307952), (8, 3317470), (10, 2653976), (13, 2041520), (16, 1658735), (20, 1326988), (26, 1020760), (40, 663494), (52, 510380), (65, 408304), (80, 331747), (104, 255190), (130, 204152), (151, 175760), (169, 157040), (208, 127595), (260, 102076), (302, 87880), (338, 78520), (520, 51038), (604, 43940), (676, 39260), (755, 35152), (845, 31408), (1040, 25519), (1208, 21970), (1352, 19630), (1510, 17576), (1690, 15704), (1963, 13520), (2197, 12080), (2416, 10985), (2704, 9815), (3020, 8788), (3380, 7852), (3926, 6760), (4394, 6040)]