16855145920

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1284691}}^1$

素因数の和:1284749

約数の個数: 56

約数和(自身を含む): 41115282768

約数和(自身を除く): 24260136848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 13120, 1284691, 2569382, 5138764, 6423455, 10277528, 12846910, 20555056, 25693820, 41110112, 51387640, 52672331, 82220224, 102775280, 105344662, 205550560, 210689324, 263361655, 411101120, 421378648, 526723310, 842757296, 1053446620, 1685514592, 2106893240, 3371029184, 4213786480, 8427572960, 16855145920]

約数ペア:

[(1, 16855145920), (2, 8427572960), (4, 4213786480), (5, 3371029184), (8, 2106893240), (10, 1685514592), (16, 1053446620), (20, 842757296), (32, 526723310), (40, 421378648), (41, 411101120), (64, 263361655), (80, 210689324), (82, 205550560), (160, 105344662), (164, 102775280), (205, 82220224), (320, 52672331), (328, 51387640), (410, 41110112), (656, 25693820), (820, 20555056), (1312, 12846910), (1640, 10277528), (2624, 6423455), (3280, 5138764), (6560, 2569382), (13120, 1284691)]