100802080

素因数分解:

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

素因数の和:20369

約数の個数: 48

約数和(自身を含む): 245839104

約数和(自身を除く): 145037024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 20323, 40646, 81292, 101615, 162584, 203230, 325168, 406460, 630013, 650336, 812920, 1260026, 1625840, 2520052, 3150065, 3251680, 5040104, 6300130, 10080208, 12600260, 20160416, 25200520, 50401040, 100802080]

約数ペア:

[(1, 100802080), (2, 50401040), (4, 25200520), (5, 20160416), (8, 12600260), (10, 10080208), (16, 6300130), (20, 5040104), (31, 3251680), (32, 3150065), (40, 2520052), (62, 1625840), (80, 1260026), (124, 812920), (155, 650336), (160, 630013), (248, 406460), (310, 325168), (496, 203230), (620, 162584), (992, 101615), (1240, 81292), (2480, 40646), (4960, 20323)]