16662040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 40240800

約数和(自身を除く): 23578760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 107, 136, 170, 214, 229, 340, 428, 458, 535, 680, 856, 916, 1070, 1145, 1819, 1832, 2140, 2290, 3638, 3893, 4280, 4580, 7276, 7786, 9095, 9160, 14552, 15572, 18190, 19465, 24503, 31144, 36380, 38930, 49006, 72760, 77860, 98012, 122515, 155720, 196024, 245030, 416551, 490060, 833102, 980120, 1666204, 2082755, 3332408, 4165510, 8331020, 16662040]

約数ペア:

[(1, 16662040), (2, 8331020), (4, 4165510), (5, 3332408), (8, 2082755), (10, 1666204), (17, 980120), (20, 833102), (34, 490060), (40, 416551), (68, 245030), (85, 196024), (107, 155720), (136, 122515), (170, 98012), (214, 77860), (229, 72760), (340, 49006), (428, 38930), (458, 36380), (535, 31144), (680, 24503), (856, 19465), (916, 18190), (1070, 15572), (1145, 14552), (1819, 9160), (1832, 9095), (2140, 7786), (2290, 7276), (3638, 4580), (3893, 4280)]