664272080

素因数分解:

$2^4\times 5^1\times {\mathrm{983}}^1\times {\mathrm{8447}}^1$

素因数の和:9443

約数の個数: 40

約数和(自身を含む): 1546186752

約数和(自身を除く): 881914672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 983, 1966, 3932, 4915, 7864, 8447, 9830, 15728, 16894, 19660, 33788, 39320, 42235, 67576, 78640, 84470, 135152, 168940, 337880, 675760, 8303401, 16606802, 33213604, 41517005, 66427208, 83034010, 132854416, 166068020, 332136040, 664272080]

約数ペア:

[(1, 664272080), (2, 332136040), (4, 166068020), (5, 132854416), (8, 83034010), (10, 66427208), (16, 41517005), (20, 33213604), (40, 16606802), (80, 8303401), (983, 675760), (1966, 337880), (3932, 168940), (4915, 135152), (7864, 84470), (8447, 78640), (9830, 67576), (15728, 42235), (16894, 39320), (19660, 33788)]