26647240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 62228160

約数和(自身を除く): 35580920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 122, 134, 163, 244, 268, 305, 326, 335, 488, 536, 610, 652, 670, 815, 1220, 1304, 1340, 1630, 2440, 2680, 3260, 4087, 6520, 8174, 9943, 10921, 16348, 19886, 20435, 21842, 32696, 39772, 40870, 43684, 49715, 54605, 79544, 81740, 87368, 99430, 109210, 163480, 198860, 218420, 397720, 436840, 666181, 1332362, 2664724, 3330905, 5329448, 6661810, 13323620, 26647240]

約数ペア:

[(1, 26647240), (2, 13323620), (4, 6661810), (5, 5329448), (8, 3330905), (10, 2664724), (20, 1332362), (40, 666181), (61, 436840), (67, 397720), (122, 218420), (134, 198860), (163, 163480), (244, 109210), (268, 99430), (305, 87368), (326, 81740), (335, 79544), (488, 54605), (536, 49715), (610, 43684), (652, 40870), (670, 39772), (815, 32696), (1220, 21842), (1304, 20435), (1340, 19886), (1630, 16348), (2440, 10921), (2680, 9943), (3260, 8174), (4087, 6520)]