1649680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1213}}^1$

素因数の和:1243

約数の個数: 40

約数和(自身を含む): 4064472

約数和(自身を除く): 2414792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1213, 1360, 2426, 4852, 6065, 9704, 12130, 19408, 20621, 24260, 41242, 48520, 82484, 97040, 103105, 164968, 206210, 329936, 412420, 824840, 1649680]

約数ペア:

[(1, 1649680), (2, 824840), (4, 412420), (5, 329936), (8, 206210), (10, 164968), (16, 103105), (17, 97040), (20, 82484), (34, 48520), (40, 41242), (68, 24260), (80, 20621), (85, 19408), (136, 12130), (170, 9704), (272, 6065), (340, 4852), (680, 2426), (1213, 1360)]