26398990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 51047568

約数和(自身を除く): 24648578

約数列:

[1, 2, 5, 10, 29, 43, 58, 73, 86, 145, 146, 215, 290, 365, 430, 730, 841, 1247, 1682, 2117, 2494, 3139, 4205, 4234, 6235, 6278, 8410, 10585, 12470, 15695, 21170, 31390, 36163, 61393, 72326, 91031, 122786, 180815, 182062, 306965, 361630, 455155, 613930, 910310, 2639899, 5279798, 13199495, 26398990]

約数ペア:

[(1, 26398990), (2, 13199495), (5, 5279798), (10, 2639899), (29, 910310), (43, 613930), (58, 455155), (73, 361630), (86, 306965), (145, 182062), (146, 180815), (215, 122786), (290, 91031), (365, 72326), (430, 61393), (730, 36163), (841, 31390), (1247, 21170), (1682, 15695), (2117, 12470), (2494, 10585), (3139, 8410), (4205, 6278), (4234, 6235)]