16216220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 35804160

約数和(自身を除く): 19587940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 383, 580, 730, 766, 1460, 1532, 1915, 2117, 3830, 4234, 7660, 8468, 10585, 11107, 21170, 22214, 27959, 42340, 44428, 55535, 55918, 111070, 111836, 139795, 222140, 279590, 559180, 810811, 1621622, 3243244, 4054055, 8108110, 16216220]

約数ペア:

[(1, 16216220), (2, 8108110), (4, 4054055), (5, 3243244), (10, 1621622), (20, 810811), (29, 559180), (58, 279590), (73, 222140), (116, 139795), (145, 111836), (146, 111070), (290, 55918), (292, 55535), (365, 44428), (383, 42340), (580, 27959), (730, 22214), (766, 21170), (1460, 11107), (1532, 10585), (1915, 8468), (2117, 7660), (3830, 4234)]