16081940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{367}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 38825472

約数和(自身を除く): 22743532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 313, 367, 626, 734, 1252, 1468, 1565, 1835, 2191, 2569, 3130, 3670, 4382, 5138, 6260, 7340, 8764, 10276, 10955, 12845, 21910, 25690, 43820, 51380, 114871, 229742, 459484, 574355, 804097, 1148710, 1608194, 2297420, 3216388, 4020485, 8040970, 16081940]

約数ペア:

[(1, 16081940), (2, 8040970), (4, 4020485), (5, 3216388), (7, 2297420), (10, 1608194), (14, 1148710), (20, 804097), (28, 574355), (35, 459484), (70, 229742), (140, 114871), (313, 51380), (367, 43820), (626, 25690), (734, 21910), (1252, 12845), (1468, 10955), (1565, 10276), (1835, 8764), (2191, 7340), (2569, 6260), (3130, 5138), (3670, 4382)]