2839460

素因数分解:

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

素因数の和:252

約数の個数: 48

約数和(自身を含む): 6557376

約数和(自身を除く): 3717916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 163, 260, 268, 326, 335, 652, 670, 815, 871, 1340, 1630, 1742, 2119, 3260, 3484, 4238, 4355, 8476, 8710, 10595, 10921, 17420, 21190, 21842, 42380, 43684, 54605, 109210, 141973, 218420, 283946, 567892, 709865, 1419730, 2839460]

約数ペア:

[(1, 2839460), (2, 1419730), (4, 709865), (5, 567892), (10, 283946), (13, 218420), (20, 141973), (26, 109210), (52, 54605), (65, 43684), (67, 42380), (130, 21842), (134, 21190), (163, 17420), (260, 10921), (268, 10595), (326, 8710), (335, 8476), (652, 4355), (670, 4238), (815, 3484), (871, 3260), (1340, 2119), (1630, 1742)]