23807780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 51522240

約数和(自身を除く): 27714460

約数列:

[1, 2, 4, 5, 10, 20, 67, 109, 134, 163, 218, 268, 326, 335, 436, 545, 652, 670, 815, 1090, 1340, 1630, 2180, 3260, 7303, 10921, 14606, 17767, 21842, 29212, 35534, 36515, 43684, 54605, 71068, 73030, 88835, 109210, 146060, 177670, 218420, 355340, 1190389, 2380778, 4761556, 5951945, 11903890, 23807780]

約数ペア:

[(1, 23807780), (2, 11903890), (4, 5951945), (5, 4761556), (10, 2380778), (20, 1190389), (67, 355340), (109, 218420), (134, 177670), (163, 146060), (218, 109210), (268, 88835), (326, 73030), (335, 71068), (436, 54605), (545, 43684), (652, 36515), (670, 35534), (815, 29212), (1090, 21842), (1340, 17767), (1630, 14606), (2180, 10921), (3260, 7303)]