65041720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52453}}^1$

素因数の和:52495

約数の個数: 32

約数和(自身を含む): 151067520

約数和(自身を除く): 86025800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 52453, 104906, 209812, 262265, 419624, 524530, 1049060, 1626043, 2098120, 3252086, 6504172, 8130215, 13008344, 16260430, 32520860, 65041720]

約数ペア:

[(1, 65041720), (2, 32520860), (4, 16260430), (5, 13008344), (8, 8130215), (10, 6504172), (20, 3252086), (31, 2098120), (40, 1626043), (62, 1049060), (124, 524530), (155, 419624), (248, 262265), (310, 209812), (620, 104906), (1240, 52453)]