80516420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{236813}}^1$

素因数の和:236839

約数の個数: 24

約数和(自身を含む): 179031384

約数和(自身を除く): 98514964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 236813, 473626, 947252, 1184065, 2368130, 4025821, 4736260, 8051642, 16103284, 20129105, 40258210, 80516420]

約数ペア:

[(1, 80516420), (2, 40258210), (4, 20129105), (5, 16103284), (10, 8051642), (17, 4736260), (20, 4025821), (34, 2368130), (68, 1184065), (85, 947252), (170, 473626), (340, 236813)]