104020640

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2399}}^1$

素因数の和:2685

約数の個数: 48

約数和(自身を含む): 246758400

約数和(自身を除く): 142737760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 1084, 1355, 2168, 2399, 2710, 4336, 4798, 5420, 8672, 9596, 10840, 11995, 19192, 21680, 23990, 38384, 43360, 47980, 76768, 95960, 191920, 383840, 650129, 1300258, 2600516, 3250645, 5201032, 6501290, 10402064, 13002580, 20804128, 26005160, 52010320, 104020640]

約数ペア:

[(1, 104020640), (2, 52010320), (4, 26005160), (5, 20804128), (8, 13002580), (10, 10402064), (16, 6501290), (20, 5201032), (32, 3250645), (40, 2600516), (80, 1300258), (160, 650129), (271, 383840), (542, 191920), (1084, 95960), (1355, 76768), (2168, 47980), (2399, 43360), (2710, 38384), (4336, 23990), (4798, 21680), (5420, 19192), (8672, 11995), (9596, 10840)]