888931940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{26099}}^1$

素因数の和:26252

約数の個数: 48

約数和(自身を含む): 2025777600

約数和(自身を除く): 1136845660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2620, 3406, 6812, 8515, 17030, 26099, 34060, 52198, 104396, 130495, 260990, 339287, 521980, 678574, 1357148, 1696435, 3392870, 3418969, 6785740, 6837938, 13675876, 17094845, 34189690, 44446597, 68379380, 88893194, 177786388, 222232985, 444465970, 888931940]

約数ペア:

[(1, 888931940), (2, 444465970), (4, 222232985), (5, 177786388), (10, 88893194), (13, 68379380), (20, 44446597), (26, 34189690), (52, 17094845), (65, 13675876), (130, 6837938), (131, 6785740), (260, 3418969), (262, 3392870), (524, 1696435), (655, 1357148), (1310, 678574), (1703, 521980), (2620, 339287), (3406, 260990), (6812, 130495), (8515, 104396), (17030, 52198), (26099, 34060)]