80423260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4463}}^1$

素因数の和:4542

約数の個数: 48

約数和(自身を含む): 182238336

約数和(自身を除く): 101815076

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 3604, 4463, 4505, 8926, 9010, 17852, 18020, 22315, 44630, 75871, 89260, 151742, 236539, 303484, 379355, 473078, 758710, 946156, 1182695, 1517420, 2365390, 4021163, 4730780, 8042326, 16084652, 20105815, 40211630, 80423260]

約数ペア:

[(1, 80423260), (2, 40211630), (4, 20105815), (5, 16084652), (10, 8042326), (17, 4730780), (20, 4021163), (34, 2365390), (53, 1517420), (68, 1182695), (85, 946156), (106, 758710), (170, 473078), (212, 379355), (265, 303484), (340, 236539), (530, 151742), (901, 89260), (1060, 75871), (1802, 44630), (3604, 22315), (4463, 18020), (4505, 17852), (8926, 9010)]