16500680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1901}}^1$

素因数の和:1950

約数の個数: 64

約数和(自身を含む): 43822080

約数和(自身を除く): 27321400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 1901, 2170, 3802, 4340, 7604, 8680, 9505, 13307, 15208, 19010, 26614, 38020, 53228, 58931, 66535, 76040, 106456, 117862, 133070, 235724, 266140, 294655, 412517, 471448, 532280, 589310, 825034, 1178620, 1650068, 2062585, 2357240, 3300136, 4125170, 8250340, 16500680]

約数ペア:

[(1, 16500680), (2, 8250340), (4, 4125170), (5, 3300136), (7, 2357240), (8, 2062585), (10, 1650068), (14, 1178620), (20, 825034), (28, 589310), (31, 532280), (35, 471448), (40, 412517), (56, 294655), (62, 266140), (70, 235724), (124, 133070), (140, 117862), (155, 106456), (217, 76040), (248, 66535), (280, 58931), (310, 53228), (434, 38020), (620, 26614), (868, 19010), (1085, 15208), (1240, 13307), (1736, 9505), (1901, 8680), (2170, 7604), (3802, 4340)]