16721200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2459}}^1$

素因数の和:2494

約数の個数: 60

約数和(自身を含む): 42553080

約数和(自身を除く): 25831880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 2459, 3400, 4918, 6800, 9836, 12295, 19672, 24590, 39344, 41803, 49180, 61475, 83606, 98360, 122950, 167212, 196720, 209015, 245900, 334424, 418030, 491800, 668848, 836060, 983600, 1045075, 1672120, 2090150, 3344240, 4180300, 8360600, 16721200]

約数ペア:

[(1, 16721200), (2, 8360600), (4, 4180300), (5, 3344240), (8, 2090150), (10, 1672120), (16, 1045075), (17, 983600), (20, 836060), (25, 668848), (34, 491800), (40, 418030), (50, 334424), (68, 245900), (80, 209015), (85, 196720), (100, 167212), (136, 122950), (170, 98360), (200, 83606), (272, 61475), (340, 49180), (400, 41803), (425, 39344), (680, 24590), (850, 19672), (1360, 12295), (1700, 9836), (2459, 6800), (3400, 4918)]