10891820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 24040800

約数和(自身を除く): 13148980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 211, 290, 356, 422, 445, 580, 844, 890, 1055, 1780, 2110, 2581, 4220, 5162, 6119, 10324, 12238, 12905, 18779, 24476, 25810, 30595, 37558, 51620, 61190, 75116, 93895, 122380, 187790, 375580, 544591, 1089182, 2178364, 2722955, 5445910, 10891820]

約数ペア:

[(1, 10891820), (2, 5445910), (4, 2722955), (5, 2178364), (10, 1089182), (20, 544591), (29, 375580), (58, 187790), (89, 122380), (116, 93895), (145, 75116), (178, 61190), (211, 51620), (290, 37558), (356, 30595), (422, 25810), (445, 24476), (580, 18779), (844, 12905), (890, 12238), (1055, 10324), (1780, 6119), (2110, 5162), (2581, 4220)]