2013339640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{124897}}^1$

素因数の和:124952

約数の個数: 64

約数和(自身を含む): 5035887360

約数和(自身を除く): 3022547720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 124897, 249794, 499588, 624485, 999176, 1248970, 1623661, 2497940, 3247322, 3871807, 4995880, 6494644, 7743614, 8118305, 12989288, 15487228, 16236610, 19359035, 30974456, 32473220, 38718070, 50333491, 64946440, 77436140, 100666982, 154872280, 201333964, 251667455, 402667928, 503334910, 1006669820, 2013339640]

約数ペア:

[(1, 2013339640), (2, 1006669820), (4, 503334910), (5, 402667928), (8, 251667455), (10, 201333964), (13, 154872280), (20, 100666982), (26, 77436140), (31, 64946440), (40, 50333491), (52, 38718070), (62, 32473220), (65, 30974456), (104, 19359035), (124, 16236610), (130, 15487228), (155, 12989288), (248, 8118305), (260, 7743614), (310, 6494644), (403, 4995880), (520, 3871807), (620, 3247322), (806, 2497940), (1240, 1623661), (1612, 1248970), (2015, 999176), (3224, 624485), (4030, 499588), (8060, 249794), (16120, 124897)]