17638480

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2273}}^1$

素因数の和:2383

約数の個数: 40

約数和(自身を含む): 41450472

約数和(自身を除く): 23811992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 2273, 3880, 4546, 7760, 9092, 11365, 18184, 22730, 36368, 45460, 90920, 181840, 220481, 440962, 881924, 1102405, 1763848, 2204810, 3527696, 4409620, 8819240, 17638480]

約数ペア:

[(1, 17638480), (2, 8819240), (4, 4409620), (5, 3527696), (8, 2204810), (10, 1763848), (16, 1102405), (20, 881924), (40, 440962), (80, 220481), (97, 181840), (194, 90920), (388, 45460), (485, 36368), (776, 22730), (970, 18184), (1552, 11365), (1940, 9092), (2273, 7760), (3880, 4546)]