40350220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 88252416

約数和(自身を除く): 47902196

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 151, 155, 302, 310, 431, 604, 620, 755, 862, 1510, 1724, 2155, 3020, 4310, 4681, 8620, 9362, 13361, 18724, 23405, 26722, 46810, 53444, 65081, 66805, 93620, 130162, 133610, 260324, 267220, 325405, 650810, 1301620, 2017511, 4035022, 8070044, 10087555, 20175110, 40350220]

約数ペア:

[(1, 40350220), (2, 20175110), (4, 10087555), (5, 8070044), (10, 4035022), (20, 2017511), (31, 1301620), (62, 650810), (124, 325405), (151, 267220), (155, 260324), (302, 133610), (310, 130162), (431, 93620), (604, 66805), (620, 65081), (755, 53444), (862, 46810), (1510, 26722), (1724, 23405), (2155, 18724), (3020, 13361), (4310, 9362), (4681, 8620)]