13271120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8731}}^1$

素因数の和:8763

約数の個数: 40

約数和(自身を含む): 32483040

約数和(自身を除く): 19211920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8731, 17462, 34924, 43655, 69848, 87310, 139696, 165889, 174620, 331778, 349240, 663556, 698480, 829445, 1327112, 1658890, 2654224, 3317780, 6635560, 13271120]

約数ペア:

[(1, 13271120), (2, 6635560), (4, 3317780), (5, 2654224), (8, 1658890), (10, 1327112), (16, 829445), (19, 698480), (20, 663556), (38, 349240), (40, 331778), (76, 174620), (80, 165889), (95, 139696), (152, 87310), (190, 69848), (304, 43655), (380, 34924), (760, 17462), (1520, 8731)]