16395580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 35622720

約数和(自身を除く): 19227140

約数列:

[1, 2, 4, 5, 10, 20, 61, 89, 122, 151, 178, 244, 302, 305, 356, 445, 604, 610, 755, 890, 1220, 1510, 1780, 3020, 5429, 9211, 10858, 13439, 18422, 21716, 26878, 27145, 36844, 46055, 53756, 54290, 67195, 92110, 108580, 134390, 184220, 268780, 819779, 1639558, 3279116, 4098895, 8197790, 16395580]

約数ペア:

[(1, 16395580), (2, 8197790), (4, 4098895), (5, 3279116), (10, 1639558), (20, 819779), (61, 268780), (89, 184220), (122, 134390), (151, 108580), (178, 92110), (244, 67195), (302, 54290), (305, 53756), (356, 46055), (445, 36844), (604, 27145), (610, 26878), (755, 21716), (890, 18422), (1220, 13439), (1510, 10858), (1780, 9211), (3020, 5429)]