72545980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{279023}}^1$

素因数の和:279045

約数の個数: 24

約数和(自身を含む): 164066112

約数和(自身を除く): 91520132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 279023, 558046, 1116092, 1395115, 2790230, 3627299, 5580460, 7254598, 14509196, 18136495, 36272990, 72545980]

約数ペア:

[(1, 72545980), (2, 36272990), (4, 18136495), (5, 14509196), (10, 7254598), (13, 5580460), (20, 3627299), (26, 2790230), (52, 1395115), (65, 1116092), (130, 558046), (260, 279023)]