45978065720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12915187}}^1$

素因数の和:12915287

約数の個数: 32

約数和(自身を含む): 104613022800

約数和(自身を除く): 58634957080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 12915187, 25830374, 51660748, 64575935, 103321496, 129151870, 258303740, 516607480, 1149451643, 2298903286, 4597806572, 5747258215, 9195613144, 11494516430, 22989032860, 45978065720]

約数ペア:

[(1, 45978065720), (2, 22989032860), (4, 11494516430), (5, 9195613144), (8, 5747258215), (10, 4597806572), (20, 2298903286), (40, 1149451643), (89, 516607480), (178, 258303740), (356, 129151870), (445, 103321496), (712, 64575935), (890, 51660748), (1780, 25830374), (3560, 12915187)]