12905960080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12409577}}^1$

素因数の和:12409603

約数の個数: 40

約数和(自身を含む): 32314541112

約数和(自身を除く): 19408581032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12409577, 24819154, 49638308, 62047885, 99276616, 124095770, 161324501, 198553232, 248191540, 322649002, 496383080, 645298004, 806622505, 992766160, 1290596008, 1613245010, 2581192016, 3226490020, 6452980040, 12905960080]

約数ペア:

[(1, 12905960080), (2, 6452980040), (4, 3226490020), (5, 2581192016), (8, 1613245010), (10, 1290596008), (13, 992766160), (16, 806622505), (20, 645298004), (26, 496383080), (40, 322649002), (52, 248191540), (65, 198553232), (80, 161324501), (104, 124095770), (130, 99276616), (208, 62047885), (260, 49638308), (520, 24819154), (1040, 12409577)]