27462500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^3$

素因数の和:68

約数の個数: 72

約数和(自身を含む): 65073960

約数和(自身を除く): 37611460

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 169, 250, 260, 325, 338, 500, 625, 650, 676, 845, 1250, 1300, 1625, 1690, 2197, 2500, 3125, 3250, 3380, 4225, 4394, 6250, 6500, 8125, 8450, 8788, 10985, 12500, 16250, 16900, 21125, 21970, 32500, 40625, 42250, 43940, 54925, 81250, 84500, 105625, 109850, 162500, 211250, 219700, 274625, 422500, 528125, 549250, 1056250, 1098500, 1373125, 2112500, 2746250, 5492500, 6865625, 13731250, 27462500]

約数ペア:

[(1, 27462500), (2, 13731250), (4, 6865625), (5, 5492500), (10, 2746250), (13, 2112500), (20, 1373125), (25, 1098500), (26, 1056250), (50, 549250), (52, 528125), (65, 422500), (100, 274625), (125, 219700), (130, 211250), (169, 162500), (250, 109850), (260, 105625), (325, 84500), (338, 81250), (500, 54925), (625, 43940), (650, 42250), (676, 40625), (845, 32500), (1250, 21970), (1300, 21125), (1625, 16900), (1690, 16250), (2197, 12500), (2500, 10985), (3125, 8788), (3250, 8450), (3380, 8125), (4225, 6500), (4394, 6250)]