20169792400

素因数分解:

$2^4\times 5^2\times {\mathrm{167}}^1\times {\mathrm{301943}}^1$

素因数の和:302128

約数の個数: 60

約数和(自身を含む): 48748254912

約数和(自身を除く): 28578462512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 167, 200, 334, 400, 668, 835, 1336, 1670, 2672, 3340, 4175, 6680, 8350, 13360, 16700, 33400, 66800, 301943, 603886, 1207772, 1509715, 2415544, 3019430, 4831088, 6038860, 7548575, 12077720, 15097150, 24155440, 30194300, 50424481, 60388600, 100848962, 120777200, 201697924, 252122405, 403395848, 504244810, 806791696, 1008489620, 1260612025, 2016979240, 2521224050, 4033958480, 5042448100, 10084896200, 20169792400]

約数ペア:

[(1, 20169792400), (2, 10084896200), (4, 5042448100), (5, 4033958480), (8, 2521224050), (10, 2016979240), (16, 1260612025), (20, 1008489620), (25, 806791696), (40, 504244810), (50, 403395848), (80, 252122405), (100, 201697924), (167, 120777200), (200, 100848962), (334, 60388600), (400, 50424481), (668, 30194300), (835, 24155440), (1336, 15097150), (1670, 12077720), (2672, 7548575), (3340, 6038860), (4175, 4831088), (6680, 3019430), (8350, 2415544), (13360, 1509715), (16700, 1207772), (33400, 603886), (66800, 301943)]