84103240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 205072560

約数和(自身を除く): 120969320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 788, 821, 985, 1576, 1642, 1970, 2561, 3284, 3940, 4105, 5122, 6568, 7880, 8210, 10244, 10673, 12805, 16420, 20488, 21346, 25610, 32840, 42692, 51220, 53365, 85384, 102440, 106730, 161737, 213460, 323474, 426920, 646948, 808685, 1293896, 1617370, 2102581, 3234740, 4205162, 6469480, 8410324, 10512905, 16820648, 21025810, 42051620, 84103240]

約数ペア:

[(1, 84103240), (2, 42051620), (4, 21025810), (5, 16820648), (8, 10512905), (10, 8410324), (13, 6469480), (20, 4205162), (26, 3234740), (40, 2102581), (52, 1617370), (65, 1293896), (104, 808685), (130, 646948), (197, 426920), (260, 323474), (394, 213460), (520, 161737), (788, 106730), (821, 102440), (985, 85384), (1576, 53365), (1642, 51220), (1970, 42692), (2561, 32840), (3284, 25610), (3940, 21346), (4105, 20488), (5122, 16420), (6568, 12805), (7880, 10673), (8210, 10244)]