56245520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41357}}^1$

素因数の和:41387

約数の個数: 40

約数和(自身を含む): 138466584

約数和(自身を除く): 82221064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 41357, 82714, 165428, 206785, 330856, 413570, 661712, 703069, 827140, 1406138, 1654280, 2812276, 3308560, 3515345, 5624552, 7030690, 11249104, 14061380, 28122760, 56245520]

約数ペア:

[(1, 56245520), (2, 28122760), (4, 14061380), (5, 11249104), (8, 7030690), (10, 5624552), (16, 3515345), (17, 3308560), (20, 2812276), (34, 1654280), (40, 1406138), (68, 827140), (80, 703069), (85, 661712), (136, 413570), (170, 330856), (272, 206785), (340, 165428), (680, 82714), (1360, 41357)]