31086560

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2003}}^1$

素因数の和:2115

約数の個数: 48

約数和(自身を含む): 74236176

約数和(自身を除く): 43149616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 2003, 3104, 3880, 4006, 7760, 8012, 10015, 15520, 16024, 20030, 32048, 40060, 64096, 80120, 160240, 194291, 320480, 388582, 777164, 971455, 1554328, 1942910, 3108656, 3885820, 6217312, 7771640, 15543280, 31086560]

約数ペア:

[(1, 31086560), (2, 15543280), (4, 7771640), (5, 6217312), (8, 3885820), (10, 3108656), (16, 1942910), (20, 1554328), (32, 971455), (40, 777164), (80, 388582), (97, 320480), (160, 194291), (194, 160240), (388, 80120), (485, 64096), (776, 40060), (970, 32048), (1552, 20030), (1940, 16024), (2003, 15520), (3104, 10015), (3880, 8012), (4006, 7760)]