10400780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 23802240

約数和(自身を除く): 13401460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 367, 436, 545, 734, 1090, 1417, 1468, 1835, 2180, 2834, 3670, 4771, 5668, 7085, 7340, 9542, 14170, 19084, 23855, 28340, 40003, 47710, 80006, 95420, 160012, 200015, 400030, 520039, 800060, 1040078, 2080156, 2600195, 5200390, 10400780]

約数ペア:

[(1, 10400780), (2, 5200390), (4, 2600195), (5, 2080156), (10, 1040078), (13, 800060), (20, 520039), (26, 400030), (52, 200015), (65, 160012), (109, 95420), (130, 80006), (218, 47710), (260, 40003), (367, 28340), (436, 23855), (545, 19084), (734, 14170), (1090, 9542), (1417, 7340), (1468, 7085), (1835, 5668), (2180, 4771), (2834, 3670)]