40289080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77479}}^1$

素因数の和:77503

約数の個数: 32

約数和(自身を含む): 97624800

約数和(自身を除く): 57335720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77479, 154958, 309916, 387395, 619832, 774790, 1007227, 1549580, 2014454, 3099160, 4028908, 5036135, 8057816, 10072270, 20144540, 40289080]

約数ペア:

[(1, 40289080), (2, 20144540), (4, 10072270), (5, 8057816), (8, 5036135), (10, 4028908), (13, 3099160), (20, 2014454), (26, 1549580), (40, 1007227), (52, 774790), (65, 619832), (104, 387395), (130, 309916), (260, 154958), (520, 77479)]