2012147980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1\times {\mathrm{4003}}^1$

素因数の和:4666

約数の個数: 48

約数和(自身を含む): 4336716384

約数和(自身を除く): 2324568404

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 613, 820, 1226, 2452, 3065, 4003, 6130, 8006, 12260, 16012, 20015, 25133, 40030, 50266, 80060, 100532, 125665, 164123, 251330, 328246, 502660, 656492, 820615, 1641230, 2453839, 3282460, 4907678, 9815356, 12269195, 24538390, 49076780, 100607399, 201214798, 402429596, 503036995, 1006073990, 2012147980]

約数ペア:

[(1, 2012147980), (2, 1006073990), (4, 503036995), (5, 402429596), (10, 201214798), (20, 100607399), (41, 49076780), (82, 24538390), (164, 12269195), (205, 9815356), (410, 4907678), (613, 3282460), (820, 2453839), (1226, 1641230), (2452, 820615), (3065, 656492), (4003, 502660), (6130, 328246), (8006, 251330), (12260, 164123), (16012, 125665), (20015, 100532), (25133, 80060), (40030, 50266)]