140497520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103307}}^1$

素因数の和:103337

約数の個数: 40

約数和(自身を含む): 345875184

約数和(自身を除く): 205377664

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 103307, 206614, 413228, 516535, 826456, 1033070, 1652912, 1756219, 2066140, 3512438, 4132280, 7024876, 8264560, 8781095, 14049752, 17562190, 28099504, 35124380, 70248760, 140497520]

約数ペア:

[(1, 140497520), (2, 70248760), (4, 35124380), (5, 28099504), (8, 17562190), (10, 14049752), (16, 8781095), (17, 8264560), (20, 7024876), (34, 4132280), (40, 3512438), (68, 2066140), (80, 1756219), (85, 1652912), (136, 1033070), (170, 826456), (272, 516535), (340, 413228), (680, 206614), (1360, 103307)]