267996824680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{515378509}}^1$

素因数の和:515378533

約数の個数: 32

約数和(自身を含む): 649376922600

約数和(自身を除く): 381380097920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 515378509, 1030757018, 2061514036, 2576892545, 4123028072, 5153785090, 6699920617, 10307570180, 13399841234, 20615140360, 26799682468, 33499603085, 53599364936, 66999206170, 133998412340, 267996824680]

約数ペア:

[(1, 267996824680), (2, 133998412340), (4, 66999206170), (5, 53599364936), (8, 33499603085), (10, 26799682468), (13, 20615140360), (20, 13399841234), (26, 10307570180), (40, 6699920617), (52, 5153785090), (65, 4123028072), (104, 2576892545), (130, 2061514036), (260, 1030757018), (520, 515378509)]