39904280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5903}}^1$

素因数の和:5940

約数の個数: 48

約数和(自身を含む): 97238880

約数和(自身を除く): 57334600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 5903, 6760, 11806, 23612, 29515, 47224, 59030, 76739, 118060, 153478, 236120, 306956, 383695, 613912, 767390, 997607, 1534780, 1995214, 3069560, 3990428, 4988035, 7980856, 9976070, 19952140, 39904280]

約数ペア:

[(1, 39904280), (2, 19952140), (4, 9976070), (5, 7980856), (8, 4988035), (10, 3990428), (13, 3069560), (20, 1995214), (26, 1534780), (40, 997607), (52, 767390), (65, 613912), (104, 383695), (130, 306956), (169, 236120), (260, 153478), (338, 118060), (520, 76739), (676, 59030), (845, 47224), (1352, 29515), (1690, 23612), (3380, 11806), (5903, 6760)]