120971560

素因数分解:

$2^3\times 5^1\times {\mathrm{1601}}^1\times {\mathrm{1889}}^1$

素因数の和:3501

約数の個数: 32

約数和(自身を含む): 272500200

約数和(自身を除く): 151528640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1601, 1889, 3202, 3778, 6404, 7556, 8005, 9445, 12808, 15112, 16010, 18890, 32020, 37780, 64040, 75560, 3024289, 6048578, 12097156, 15121445, 24194312, 30242890, 60485780, 120971560]

約数ペア:

[(1, 120971560), (2, 60485780), (4, 30242890), (5, 24194312), (8, 15121445), (10, 12097156), (20, 6048578), (40, 3024289), (1601, 75560), (1889, 64040), (3202, 37780), (3778, 32020), (6404, 18890), (7556, 16010), (8005, 15112), (9445, 12808)]