27881720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18839}}^1$

素因数の和:18887

約数の個数: 32

約数和(自身を含む): 64432800

約数和(自身を除く): 36551080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 18839, 37678, 75356, 94195, 150712, 188390, 376780, 697043, 753560, 1394086, 2788172, 3485215, 5576344, 6970430, 13940860, 27881720]

約数ペア:

[(1, 27881720), (2, 13940860), (4, 6970430), (5, 5576344), (8, 3485215), (10, 2788172), (20, 1394086), (37, 753560), (40, 697043), (74, 376780), (148, 188390), (185, 150712), (296, 94195), (370, 75356), (740, 37678), (1480, 18839)]