20180225620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6553}}^1\times {\mathrm{4967}}^1$

素因数の和:11560

約数の個数: 48

約数和(自身を含む): 43761005568

約数和(自身を除く): 23580779948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4967, 6553, 9934, 13106, 19868, 24835, 26212, 32765, 49670, 65530, 99340, 131060, 153977, 203143, 307954, 406286, 615908, 769885, 812572, 1015715, 1539770, 2031430, 3079540, 4062860, 32548751, 65097502, 130195004, 162743755, 325487510, 650975020, 1009011281, 2018022562, 4036045124, 5045056405, 10090112810, 20180225620]

約数ペア:

[(1, 20180225620), (2, 10090112810), (4, 5045056405), (5, 4036045124), (10, 2018022562), (20, 1009011281), (31, 650975020), (62, 325487510), (124, 162743755), (155, 130195004), (310, 65097502), (620, 32548751), (4967, 4062860), (6553, 3079540), (9934, 2031430), (13106, 1539770), (19868, 1015715), (24835, 812572), (26212, 769885), (32765, 615908), (49670, 406286), (65530, 307954), (99340, 203143), (131060, 153977)]