56509720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17021}}^1$

素因数の和:17115

約数の個数: 32

約数和(自身を含む): 128686320

約数和(自身を除く): 72176600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 17021, 34042, 68084, 85105, 136168, 170210, 340420, 680840, 1412743, 2825486, 5650972, 7063715, 11301944, 14127430, 28254860, 56509720]

約数ペア:

[(1, 56509720), (2, 28254860), (4, 14127430), (5, 11301944), (8, 7063715), (10, 5650972), (20, 2825486), (40, 1412743), (83, 680840), (166, 340420), (332, 170210), (415, 136168), (664, 85105), (830, 68084), (1660, 34042), (3320, 17021)]