165089660

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{569}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 353354400

約数和(自身を除く): 188264740

約数列:

[1, 2, 4, 5, 10, 20, 89, 163, 178, 326, 356, 445, 569, 652, 815, 890, 1138, 1630, 1780, 2276, 2845, 3260, 5690, 11380, 14507, 29014, 50641, 58028, 72535, 92747, 101282, 145070, 185494, 202564, 253205, 290140, 370988, 463735, 506410, 927470, 1012820, 1854940, 8254483, 16508966, 33017932, 41272415, 82544830, 165089660]

約数ペア:

[(1, 165089660), (2, 82544830), (4, 41272415), (5, 33017932), (10, 16508966), (20, 8254483), (89, 1854940), (163, 1012820), (178, 927470), (326, 506410), (356, 463735), (445, 370988), (569, 290140), (652, 253205), (815, 202564), (890, 185494), (1138, 145070), (1630, 101282), (1780, 92747), (2276, 72535), (2845, 58028), (3260, 50641), (5690, 29014), (11380, 14507)]