25067770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{163}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 56206080

約数和(自身を除く): 31138310

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 163, 169, 182, 326, 338, 455, 815, 845, 910, 1141, 1183, 1630, 1690, 2119, 2197, 2282, 2366, 4238, 4394, 5705, 5915, 10595, 10985, 11410, 11830, 14833, 15379, 21190, 21970, 27547, 29666, 30758, 55094, 74165, 76895, 137735, 148330, 153790, 192829, 275470, 358111, 385658, 716222, 964145, 1790555, 1928290, 2506777, 3581110, 5013554, 12533885, 25067770]

約数ペア:

[(1, 25067770), (2, 12533885), (5, 5013554), (7, 3581110), (10, 2506777), (13, 1928290), (14, 1790555), (26, 964145), (35, 716222), (65, 385658), (70, 358111), (91, 275470), (130, 192829), (163, 153790), (169, 148330), (182, 137735), (326, 76895), (338, 74165), (455, 55094), (815, 30758), (845, 29666), (910, 27547), (1141, 21970), (1183, 21190), (1630, 15379), (1690, 14833), (2119, 11830), (2197, 11410), (2282, 10985), (2366, 10595), (4238, 5915), (4394, 5705)]