91439140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{2081}}^1$

素因数の和:2129

約数の個数: 48

約数和(自身を含む): 208116720

約数和(自身を除く): 116677580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2081, 2197, 3380, 4162, 4394, 8324, 8788, 10405, 10985, 20810, 21970, 27053, 41620, 43940, 54106, 108212, 135265, 270530, 351689, 541060, 703378, 1406756, 1758445, 3516890, 4571957, 7033780, 9143914, 18287828, 22859785, 45719570, 91439140]

約数ペア:

[(1, 91439140), (2, 45719570), (4, 22859785), (5, 18287828), (10, 9143914), (13, 7033780), (20, 4571957), (26, 3516890), (52, 1758445), (65, 1406756), (130, 703378), (169, 541060), (260, 351689), (338, 270530), (676, 135265), (845, 108212), (1690, 54106), (2081, 43940), (2197, 41620), (3380, 27053), (4162, 21970), (4394, 20810), (8324, 10985), (8788, 10405)]