5387720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{797}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 13143060

約数和(自身を除く): 7755340

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 797, 845, 1352, 1594, 1690, 3188, 3380, 3985, 6376, 6760, 7970, 10361, 15940, 20722, 31880, 41444, 51805, 82888, 103610, 134693, 207220, 269386, 414440, 538772, 673465, 1077544, 1346930, 2693860, 5387720]

約数ペア:

[(1, 5387720), (2, 2693860), (4, 1346930), (5, 1077544), (8, 673465), (10, 538772), (13, 414440), (20, 269386), (26, 207220), (40, 134693), (52, 103610), (65, 82888), (104, 51805), (130, 41444), (169, 31880), (260, 20722), (338, 15940), (520, 10361), (676, 7970), (797, 6760), (845, 6376), (1352, 3985), (1594, 3380), (1690, 3188)]