27129880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:868

約数の個数: 64

約数和(自身を含む): 65499840

約数和(自身を除く): 38369960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 797, 851, 920, 1480, 1594, 1702, 3188, 3404, 3985, 4255, 6376, 6808, 7970, 8510, 15940, 17020, 18331, 29489, 31880, 34040, 36662, 58978, 73324, 91655, 117956, 146648, 147445, 183310, 235912, 294890, 366620, 589780, 678247, 733240, 1179560, 1356494, 2712988, 3391235, 5425976, 6782470, 13564940, 27129880]

約数ペア:

[(1, 27129880), (2, 13564940), (4, 6782470), (5, 5425976), (8, 3391235), (10, 2712988), (20, 1356494), (23, 1179560), (37, 733240), (40, 678247), (46, 589780), (74, 366620), (92, 294890), (115, 235912), (148, 183310), (184, 147445), (185, 146648), (230, 117956), (296, 91655), (370, 73324), (460, 58978), (740, 36662), (797, 34040), (851, 31880), (920, 29489), (1480, 18331), (1594, 17020), (1702, 15940), (3188, 8510), (3404, 7970), (3985, 6808), (4255, 6376)]