40149928

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 93582720

約数和(自身を除く): 53432792

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 131, 182, 262, 364, 421, 524, 728, 842, 917, 1048, 1684, 1703, 1834, 2947, 3368, 3406, 3668, 5473, 5894, 6812, 7336, 10946, 11788, 11921, 13624, 21892, 23576, 23842, 38311, 43784, 47684, 55151, 76622, 95368, 110302, 153244, 220604, 306488, 386057, 441208, 716963, 772114, 1433926, 1544228, 2867852, 3088456, 5018741, 5735704, 10037482, 20074964, 40149928]

約数ペア:

[(1, 40149928), (2, 20074964), (4, 10037482), (7, 5735704), (8, 5018741), (13, 3088456), (14, 2867852), (26, 1544228), (28, 1433926), (52, 772114), (56, 716963), (91, 441208), (104, 386057), (131, 306488), (182, 220604), (262, 153244), (364, 110302), (421, 95368), (524, 76622), (728, 55151), (842, 47684), (917, 43784), (1048, 38311), (1684, 23842), (1703, 23576), (1834, 21892), (2947, 13624), (3368, 11921), (3406, 11788), (3668, 10946), (5473, 7336), (5894, 6812)]