16201840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 39997440

約数和(自身を除く): 23795600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 139, 155, 188, 235, 248, 278, 310, 376, 470, 496, 556, 620, 695, 752, 940, 1112, 1240, 1390, 1457, 1880, 2224, 2480, 2780, 2914, 3760, 4309, 5560, 5828, 6533, 7285, 8618, 11120, 11656, 13066, 14570, 17236, 21545, 23312, 26132, 29140, 32665, 34472, 43090, 52264, 58280, 65330, 68944, 86180, 104528, 116560, 130660, 172360, 202523, 261320, 344720, 405046, 522640, 810092, 1012615, 1620184, 2025230, 3240368, 4050460, 8100920, 16201840]

約数ペア:

[(1, 16201840), (2, 8100920), (4, 4050460), (5, 3240368), (8, 2025230), (10, 1620184), (16, 1012615), (20, 810092), (31, 522640), (40, 405046), (47, 344720), (62, 261320), (80, 202523), (94, 172360), (124, 130660), (139, 116560), (155, 104528), (188, 86180), (235, 68944), (248, 65330), (278, 58280), (310, 52264), (376, 43090), (470, 34472), (496, 32665), (556, 29140), (620, 26132), (695, 23312), (752, 21545), (940, 17236), (1112, 14570), (1240, 13066), (1390, 11656), (1457, 11120), (1880, 8618), (2224, 7285), (2480, 6533), (2780, 5828), (2914, 5560), (3760, 4309)]