39518440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75997}}^1$

素因数の和:76021

約数の個数: 32

約数和(自身を含む): 95757480

約数和(自身を除く): 56239040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 75997, 151994, 303988, 379985, 607976, 759970, 987961, 1519940, 1975922, 3039880, 3951844, 4939805, 7903688, 9879610, 19759220, 39518440]

約数ペア:

[(1, 39518440), (2, 19759220), (4, 9879610), (5, 7903688), (8, 4939805), (10, 3951844), (13, 3039880), (20, 1975922), (26, 1519940), (40, 987961), (52, 759970), (65, 607976), (104, 379985), (130, 303988), (260, 151994), (520, 75997)]