3205520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2357}}^1$

素因数の和:2387

約数の個数: 40

約数和(自身を含む): 7894584

約数和(自身を除く): 4689064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 2357, 4714, 9428, 11785, 18856, 23570, 37712, 40069, 47140, 80138, 94280, 160276, 188560, 200345, 320552, 400690, 641104, 801380, 1602760, 3205520]

約数ペア:

[(1, 3205520), (2, 1602760), (4, 801380), (5, 641104), (8, 400690), (10, 320552), (16, 200345), (17, 188560), (20, 160276), (34, 94280), (40, 80138), (68, 47140), (80, 40069), (85, 37712), (136, 23570), (170, 18856), (272, 11785), (340, 9428), (680, 4714), (1360, 2357)]