828880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1$

素因数の和:823

約数の個数: 40

約数和(自身を含む): 2077992

約数和(自身を除く): 1249112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 797, 1040, 1594, 3188, 3985, 6376, 7970, 10361, 12752, 15940, 20722, 31880, 41444, 51805, 63760, 82888, 103610, 165776, 207220, 414440, 828880]

約数ペア:

[(1, 828880), (2, 414440), (4, 207220), (5, 165776), (8, 103610), (10, 82888), (13, 63760), (16, 51805), (20, 41444), (26, 31880), (40, 20722), (52, 15940), (65, 12752), (80, 10361), (104, 7970), (130, 6376), (208, 3985), (260, 3188), (520, 1594), (797, 1040)]