27811760

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{683}}^1$

素因数の和:1205

約数の個数: 40

約数和(自身を含む): 64884240

約数和(自身を除く): 37072480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 683, 1018, 1366, 2036, 2545, 2732, 3415, 4072, 5090, 5464, 6830, 8144, 10180, 10928, 13660, 20360, 27320, 40720, 54640, 347647, 695294, 1390588, 1738235, 2781176, 3476470, 5562352, 6952940, 13905880, 27811760]

約数ペア:

[(1, 27811760), (2, 13905880), (4, 6952940), (5, 5562352), (8, 3476470), (10, 2781176), (16, 1738235), (20, 1390588), (40, 695294), (80, 347647), (509, 54640), (683, 40720), (1018, 27320), (1366, 20360), (2036, 13660), (2545, 10928), (2732, 10180), (3415, 8144), (4072, 6830), (5090, 5464)]