5678920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 14051520

約数和(自身を除く): 8372600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 163, 260, 268, 326, 335, 520, 536, 652, 670, 815, 871, 1304, 1340, 1630, 1742, 2119, 2680, 3260, 3484, 4238, 4355, 6520, 6968, 8476, 8710, 10595, 10921, 16952, 17420, 21190, 21842, 34840, 42380, 43684, 54605, 84760, 87368, 109210, 141973, 218420, 283946, 436840, 567892, 709865, 1135784, 1419730, 2839460, 5678920]

約数ペア:

[(1, 5678920), (2, 2839460), (4, 1419730), (5, 1135784), (8, 709865), (10, 567892), (13, 436840), (20, 283946), (26, 218420), (40, 141973), (52, 109210), (65, 87368), (67, 84760), (104, 54605), (130, 43684), (134, 42380), (163, 34840), (260, 21842), (268, 21190), (326, 17420), (335, 16952), (520, 10921), (536, 10595), (652, 8710), (670, 8476), (815, 6968), (871, 6520), (1304, 4355), (1340, 4238), (1630, 3484), (1742, 3260), (2119, 2680)]