40295320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77491}}^1$

素因数の和:77515

約数の個数: 32

約数和(自身を含む): 97639920

約数和(自身を除く): 57344600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77491, 154982, 309964, 387455, 619928, 774910, 1007383, 1549820, 2014766, 3099640, 4029532, 5036915, 8059064, 10073830, 20147660, 40295320]

約数ペア:

[(1, 40295320), (2, 20147660), (4, 10073830), (5, 8059064), (8, 5036915), (10, 4029532), (13, 3099640), (20, 2014766), (26, 1549820), (40, 1007383), (52, 774910), (65, 619928), (104, 387455), (130, 309964), (260, 154982), (520, 77491)]