414440

素因数分解:

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

素因数の和:821

約数の個数: 32

約数和(自身を含む): 1005480

約数和(自身を除く): 591040

約数列:

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

約数ペア:

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