2215480

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 5045040

約数和(自身を除く): 2829560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 571, 776, 970, 1142, 1940, 2284, 2855, 3880, 4568, 5710, 11420, 22840, 55387, 110774, 221548, 276935, 443096, 553870, 1107740, 2215480]

約数ペア:

[(1, 2215480), (2, 1107740), (4, 553870), (5, 443096), (8, 276935), (10, 221548), (20, 110774), (40, 55387), (97, 22840), (194, 11420), (388, 5710), (485, 4568), (571, 3880), (776, 2855), (970, 2284), (1142, 1940)]