163803380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20323}}^1$

素因数の和:20376

約数の個数: 48

約数和(自身を含む): 382416384

約数和(自身を除く): 218613004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 20323, 40646, 81292, 101615, 203230, 264199, 406460, 528398, 630013, 1056796, 1260026, 1320995, 2520052, 2641990, 3150065, 5283980, 6300130, 8190169, 12600260, 16380338, 32760676, 40950845, 81901690, 163803380]

約数ペア:

[(1, 163803380), (2, 81901690), (4, 40950845), (5, 32760676), (10, 16380338), (13, 12600260), (20, 8190169), (26, 6300130), (31, 5283980), (52, 3150065), (62, 2641990), (65, 2520052), (124, 1320995), (130, 1260026), (155, 1056796), (260, 630013), (310, 528398), (403, 406460), (620, 264199), (806, 203230), (1612, 101615), (2015, 81292), (4030, 40646), (8060, 20323)]