2017208720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1327111}}^1$

素因数の和:1327143

約数の個数: 40

約数和(自身を含む): 4936856640

約数和(自身を除く): 2919647920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1327111, 2654222, 5308444, 6635555, 10616888, 13271110, 21233776, 25215109, 26542220, 50430218, 53084440, 100860436, 106168880, 126075545, 201720872, 252151090, 403441744, 504302180, 1008604360, 2017208720]

約数ペア:

[(1, 2017208720), (2, 1008604360), (4, 504302180), (5, 403441744), (8, 252151090), (10, 201720872), (16, 126075545), (19, 106168880), (20, 100860436), (38, 53084440), (40, 50430218), (76, 26542220), (80, 25215109), (95, 21233776), (152, 13271110), (190, 10616888), (304, 6635555), (380, 5308444), (760, 2654222), (1520, 1327111)]