72041240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{105943}}^1$

素因数の和:105971

約数の個数: 32

約数和(自身を含む): 171629280

約数和(自身を除く): 99588040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 105943, 211886, 423772, 529715, 847544, 1059430, 1801031, 2118860, 3602062, 4237720, 7204124, 9005155, 14408248, 18010310, 36020620, 72041240]

約数ペア:

[(1, 72041240), (2, 36020620), (4, 18010310), (5, 14408248), (8, 9005155), (10, 7204124), (17, 4237720), (20, 3602062), (34, 2118860), (40, 1801031), (68, 1059430), (85, 847544), (136, 529715), (170, 423772), (340, 211886), (680, 105943)]