890326060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{41257}}^1$

素因数の和:41362

約数の個数: 48

約数和(自身を含む): 2037815136

約数和(自身を除く): 1147489076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1660, 2158, 4316, 5395, 10790, 21580, 41257, 82514, 165028, 206285, 412570, 536341, 825140, 1072682, 2145364, 2681705, 3424331, 5363410, 6848662, 10726820, 13697324, 17121655, 34243310, 44516303, 68486620, 89032606, 178065212, 222581515, 445163030, 890326060]

約数ペア:

[(1, 890326060), (2, 445163030), (4, 222581515), (5, 178065212), (10, 89032606), (13, 68486620), (20, 44516303), (26, 34243310), (52, 17121655), (65, 13697324), (83, 10726820), (130, 6848662), (166, 5363410), (260, 3424331), (332, 2681705), (415, 2145364), (830, 1072682), (1079, 825140), (1660, 536341), (2158, 412570), (4316, 206285), (5395, 165028), (10790, 82514), (21580, 41257)]