40829728

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 84188160

約数和(自身を除く): 43358432

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 79, 124, 158, 248, 316, 496, 521, 632, 992, 1042, 1264, 2084, 2449, 2528, 4168, 4898, 8336, 9796, 16151, 16672, 19592, 32302, 39184, 41159, 64604, 78368, 82318, 129208, 164636, 258416, 329272, 516832, 658544, 1275929, 1317088, 2551858, 5103716, 10207432, 20414864, 40829728]

約数ペア:

[(1, 40829728), (2, 20414864), (4, 10207432), (8, 5103716), (16, 2551858), (31, 1317088), (32, 1275929), (62, 658544), (79, 516832), (124, 329272), (158, 258416), (248, 164636), (316, 129208), (496, 82318), (521, 78368), (632, 64604), (992, 41159), (1042, 39184), (1264, 32302), (2084, 19592), (2449, 16672), (2528, 16151), (4168, 9796), (4898, 8336)]