31237720280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{458569}}^1$

素因数の和:458724

約数の個数: 64

約数和(自身を含む): 76269362400

約数和(自身を除く): 45031642120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 260, 262, 520, 524, 655, 1048, 1310, 1703, 2620, 3406, 5240, 6812, 8515, 13624, 17030, 34060, 68120, 458569, 917138, 1834276, 2292845, 3668552, 4585690, 5961397, 9171380, 11922794, 18342760, 23845588, 29806985, 47691176, 59613970, 60072539, 119227940, 120145078, 238455880, 240290156, 300362695, 480580312, 600725390, 780943007, 1201450780, 1561886014, 2402901560, 3123772028, 3904715035, 6247544056, 7809430070, 15618860140, 31237720280]

約数ペア:

[(1, 31237720280), (2, 15618860140), (4, 7809430070), (5, 6247544056), (8, 3904715035), (10, 3123772028), (13, 2402901560), (20, 1561886014), (26, 1201450780), (40, 780943007), (52, 600725390), (65, 480580312), (104, 300362695), (130, 240290156), (131, 238455880), (260, 120145078), (262, 119227940), (520, 60072539), (524, 59613970), (655, 47691176), (1048, 29806985), (1310, 23845588), (1703, 18342760), (2620, 11922794), (3406, 9171380), (5240, 5961397), (6812, 4585690), (8515, 3668552), (13624, 2292845), (17030, 1834276), (34060, 917138), (68120, 458569)]