91387720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{120247}}^1$

素因数の和:120277

約数の個数: 32

約数和(自身を含む): 216446400

約数和(自身を除く): 125058680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 120247, 240494, 480988, 601235, 961976, 1202470, 2284693, 2404940, 4569386, 4809880, 9138772, 11423465, 18277544, 22846930, 45693860, 91387720]

約数ペア:

[(1, 91387720), (2, 45693860), (4, 22846930), (5, 18277544), (8, 11423465), (10, 9138772), (19, 4809880), (20, 4569386), (38, 2404940), (40, 2284693), (76, 1202470), (95, 961976), (152, 601235), (190, 480988), (380, 240494), (760, 120247)]