31595980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121523}}^1$

素因数の和:121545

約数の個数: 24

約数和(自身を含む): 71456112

約数和(自身を除く): 39860132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 121523, 243046, 486092, 607615, 1215230, 1579799, 2430460, 3159598, 6319196, 7898995, 15797990, 31595980]

約数ペア:

[(1, 31595980), (2, 15797990), (4, 7898995), (5, 6319196), (10, 3159598), (13, 2430460), (20, 1579799), (26, 1215230), (52, 607615), (65, 486092), (130, 243046), (260, 121523)]