31610360

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{8147}}^1$

素因数の和:8255

約数の個数: 32

約数和(自身を含む): 71865360

約数和(自身を除く): 40255000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 8147, 16294, 32588, 40735, 65176, 81470, 162940, 325880, 790259, 1580518, 3161036, 3951295, 6322072, 7902590, 15805180, 31610360]

約数ペア:

[(1, 31610360), (2, 15805180), (4, 7902590), (5, 6322072), (8, 3951295), (10, 3161036), (20, 1580518), (40, 790259), (97, 325880), (194, 162940), (388, 81470), (485, 65176), (776, 40735), (970, 32588), (1940, 16294), (3880, 8147)]