65958940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 145410048

約数和(自身を除く): 79451108

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 223, 230, 446, 460, 643, 892, 1115, 1286, 2230, 2572, 3215, 4460, 5129, 6430, 10258, 12860, 14789, 20516, 25645, 29578, 51290, 59156, 73945, 102580, 143389, 147890, 286778, 295780, 573556, 716945, 1433890, 2867780, 3297947, 6595894, 13191788, 16489735, 32979470, 65958940]

約数ペア:

[(1, 65958940), (2, 32979470), (4, 16489735), (5, 13191788), (10, 6595894), (20, 3297947), (23, 2867780), (46, 1433890), (92, 716945), (115, 573556), (223, 295780), (230, 286778), (446, 147890), (460, 143389), (643, 102580), (892, 73945), (1115, 59156), (1286, 51290), (2230, 29578), (2572, 25645), (3215, 20516), (4460, 14789), (5129, 12860), (6430, 10258)]