87615320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{168491}}^1$

素因数の和:168515

約数の個数: 32

約数和(自身を含む): 212299920

約数和(自身を除く): 124684600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 168491, 336982, 673964, 842455, 1347928, 1684910, 2190383, 3369820, 4380766, 6739640, 8761532, 10951915, 17523064, 21903830, 43807660, 87615320]

約数ペア:

[(1, 87615320), (2, 43807660), (4, 21903830), (5, 17523064), (8, 10951915), (10, 8761532), (13, 6739640), (20, 4380766), (26, 3369820), (40, 2190383), (52, 1684910), (65, 1347928), (104, 842455), (130, 673964), (260, 336982), (520, 168491)]