1620880072

素因数分解:

$2^3\times 7^1\times {\mathrm{4421}}^1\times {\mathrm{6547}}^1$

素因数の和:10981

約数の個数: 32

約数和(自身を含む): 3474630720

約数和(自身を除く): 1853750648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 4421, 6547, 8842, 13094, 17684, 26188, 30947, 35368, 45829, 52376, 61894, 91658, 123788, 183316, 247576, 366632, 28944287, 57888574, 115777148, 202610009, 231554296, 405220018, 810440036, 1620880072]

約数ペア:

[(1, 1620880072), (2, 810440036), (4, 405220018), (7, 231554296), (8, 202610009), (14, 115777148), (28, 57888574), (56, 28944287), (4421, 366632), (6547, 247576), (8842, 183316), (13094, 123788), (17684, 91658), (26188, 61894), (30947, 52376), (35368, 45829)]