515320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 1249920

約数和(自身を除く): 734600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 991, 1982, 3964, 4955, 7928, 9910, 12883, 19820, 25766, 39640, 51532, 64415, 103064, 128830, 257660, 515320]

約数ペア:

[(1, 515320), (2, 257660), (4, 128830), (5, 103064), (8, 64415), (10, 51532), (13, 39640), (20, 25766), (26, 19820), (40, 12883), (52, 9910), (65, 7928), (104, 4955), (130, 3964), (260, 1982), (520, 991)]