65022340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 139991040

約数和(自身を除く): 74968700

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 223, 239, 244, 305, 446, 478, 610, 892, 956, 1115, 1195, 1220, 2230, 2390, 4460, 4780, 13603, 14579, 27206, 29158, 53297, 54412, 58316, 68015, 72895, 106594, 136030, 145790, 213188, 266485, 272060, 291580, 532970, 1065940, 3251117, 6502234, 13004468, 16255585, 32511170, 65022340]

約数ペア:

[(1, 65022340), (2, 32511170), (4, 16255585), (5, 13004468), (10, 6502234), (20, 3251117), (61, 1065940), (122, 532970), (223, 291580), (239, 272060), (244, 266485), (305, 213188), (446, 145790), (478, 136030), (610, 106594), (892, 72895), (956, 68015), (1115, 58316), (1195, 54412), (1220, 53297), (2230, 29158), (2390, 27206), (4460, 14579), (4780, 13603)]