79783540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{653}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 173048400

約数和(自身を除く): 93264860

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 149, 164, 205, 298, 410, 596, 653, 745, 820, 1306, 1490, 2612, 2980, 3265, 6109, 6530, 12218, 13060, 24436, 26773, 30545, 53546, 61090, 97297, 107092, 122180, 133865, 194594, 267730, 389188, 486485, 535460, 972970, 1945940, 3989177, 7978354, 15956708, 19945885, 39891770, 79783540]

約数ペア:

[(1, 79783540), (2, 39891770), (4, 19945885), (5, 15956708), (10, 7978354), (20, 3989177), (41, 1945940), (82, 972970), (149, 535460), (164, 486485), (205, 389188), (298, 267730), (410, 194594), (596, 133865), (653, 122180), (745, 107092), (820, 97297), (1306, 61090), (1490, 53546), (2612, 30545), (2980, 26773), (3265, 24436), (6109, 13060), (6530, 12218)]