16804880

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2659}}^1$

素因数の和:2751

約数の個数: 40

約数和(自身を含む): 39580800

約数和(自身を除く): 22775920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 2659, 3160, 5318, 6320, 10636, 13295, 21272, 26590, 42544, 53180, 106360, 210061, 212720, 420122, 840244, 1050305, 1680488, 2100610, 3360976, 4201220, 8402440, 16804880]

約数ペア:

[(1, 16804880), (2, 8402440), (4, 4201220), (5, 3360976), (8, 2100610), (10, 1680488), (16, 1050305), (20, 840244), (40, 420122), (79, 212720), (80, 210061), (158, 106360), (316, 53180), (395, 42544), (632, 26590), (790, 21272), (1264, 13295), (1580, 10636), (2659, 6320), (3160, 5318)]