172693240

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{7561}}^1$

素因数の和:8143

約数の個数: 32

約数和(自身を含む): 389291760

約数和(自身を除く): 216598520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 4568, 5710, 7561, 11420, 15122, 22840, 30244, 37805, 60488, 75610, 151220, 302440, 4317331, 8634662, 17269324, 21586655, 34538648, 43173310, 86346620, 172693240]

約数ペア:

[(1, 172693240), (2, 86346620), (4, 43173310), (5, 34538648), (8, 21586655), (10, 17269324), (20, 8634662), (40, 4317331), (571, 302440), (1142, 151220), (2284, 75610), (2855, 60488), (4568, 37805), (5710, 30244), (7561, 22840), (11420, 15122)]