199622020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{24767}}^1$

素因数の和:24820

約数の個数: 48

約数和(自身を含む): 466034688

約数和(自身を除く): 266412668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 24767, 49534, 99068, 123835, 247670, 321971, 495340, 643942, 767777, 1287884, 1535554, 1609855, 3071108, 3219710, 3838885, 6439420, 7677770, 9981101, 15355540, 19962202, 39924404, 49905505, 99811010, 199622020]

約数ペア:

[(1, 199622020), (2, 99811010), (4, 49905505), (5, 39924404), (10, 19962202), (13, 15355540), (20, 9981101), (26, 7677770), (31, 6439420), (52, 3838885), (62, 3219710), (65, 3071108), (124, 1609855), (130, 1535554), (155, 1287884), (260, 767777), (310, 643942), (403, 495340), (620, 321971), (806, 247670), (1612, 123835), (2015, 99068), (4030, 49534), (8060, 24767)]