225999920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{91129}}^1$

素因数の和:91173

約数の個数: 40

約数和(自身を含む): 542405760

約数和(自身を除く): 316405840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 91129, 182258, 364516, 455645, 729032, 911290, 1458064, 1822580, 2824999, 3645160, 5649998, 7290320, 11299996, 14124995, 22599992, 28249990, 45199984, 56499980, 112999960, 225999920]

約数ペア:

[(1, 225999920), (2, 112999960), (4, 56499980), (5, 45199984), (8, 28249990), (10, 22599992), (16, 14124995), (20, 11299996), (31, 7290320), (40, 5649998), (62, 3645160), (80, 2824999), (124, 1822580), (155, 1458064), (248, 911290), (310, 729032), (496, 455645), (620, 364516), (1240, 182258), (2480, 91129)]