207231280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83561}}^1$

素因数の和:83605

約数の個数: 40

約数和(自身を含む): 497361024

約数和(自身を除く): 290129744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 83561, 167122, 334244, 417805, 668488, 835610, 1336976, 1671220, 2590391, 3342440, 5180782, 6684880, 10361564, 12951955, 20723128, 25903910, 41446256, 51807820, 103615640, 207231280]

約数ペア:

[(1, 207231280), (2, 103615640), (4, 51807820), (5, 41446256), (8, 25903910), (10, 20723128), (16, 12951955), (20, 10361564), (31, 6684880), (40, 5180782), (62, 3342440), (80, 2590391), (124, 1671220), (155, 1336976), (248, 835610), (310, 668488), (496, 417805), (620, 334244), (1240, 167122), (2480, 83561)]