65450720

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3221}}^1$

素因数の和:3363

約数の個数: 48

約数和(自身を含む): 155893248

約数和(自身を除く): 90442528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 3221, 4064, 5080, 6442, 10160, 12884, 16105, 20320, 25768, 32210, 51536, 64420, 103072, 128840, 257680, 409067, 515360, 818134, 1636268, 2045335, 3272536, 4090670, 6545072, 8181340, 13090144, 16362680, 32725360, 65450720]

約数ペア:

[(1, 65450720), (2, 32725360), (4, 16362680), (5, 13090144), (8, 8181340), (10, 6545072), (16, 4090670), (20, 3272536), (32, 2045335), (40, 1636268), (80, 818134), (127, 515360), (160, 409067), (254, 257680), (508, 128840), (635, 103072), (1016, 64420), (1270, 51536), (2032, 32210), (2540, 25768), (3221, 20320), (4064, 16105), (5080, 12884), (6442, 10160)]