201604160

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20323}}^1$

素因数の和:20371

約数の個数: 56

約数和(自身を含む): 495580416

約数和(自身を除く): 293976256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 20323, 40646, 81292, 101615, 162584, 203230, 325168, 406460, 630013, 650336, 812920, 1260026, 1300672, 1625840, 2520052, 3150065, 3251680, 5040104, 6300130, 6503360, 10080208, 12600260, 20160416, 25200520, 40320832, 50401040, 100802080, 201604160]

約数ペア:

[(1, 201604160), (2, 100802080), (4, 50401040), (5, 40320832), (8, 25200520), (10, 20160416), (16, 12600260), (20, 10080208), (31, 6503360), (32, 6300130), (40, 5040104), (62, 3251680), (64, 3150065), (80, 2520052), (124, 1625840), (155, 1300672), (160, 1260026), (248, 812920), (310, 650336), (320, 630013), (496, 406460), (620, 325168), (992, 203230), (1240, 162584), (1984, 101615), (2480, 81292), (4960, 40646), (9920, 20323)]