25558390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 55121472

約数和(自身を除く): 29563082

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 61, 65, 110, 122, 130, 143, 286, 293, 305, 586, 610, 671, 715, 793, 1342, 1430, 1465, 1586, 2930, 3223, 3355, 3809, 3965, 6446, 6710, 7618, 7930, 8723, 16115, 17446, 17873, 19045, 32230, 35746, 38090, 41899, 43615, 83798, 87230, 89365, 178730, 196603, 209495, 232349, 393206, 418990, 464698, 983015, 1161745, 1966030, 2323490, 2555839, 5111678, 12779195, 25558390]

約数ペア:

[(1, 25558390), (2, 12779195), (5, 5111678), (10, 2555839), (11, 2323490), (13, 1966030), (22, 1161745), (26, 983015), (55, 464698), (61, 418990), (65, 393206), (110, 232349), (122, 209495), (130, 196603), (143, 178730), (286, 89365), (293, 87230), (305, 83798), (586, 43615), (610, 41899), (671, 38090), (715, 35746), (793, 32230), (1342, 19045), (1430, 17873), (1465, 17446), (1586, 16115), (2930, 8723), (3223, 7930), (3355, 7618), (3809, 6710), (3965, 6446)]