5399720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2213}}^1$

素因数の和:2285

約数の個数: 32

約数和(自身を含む): 12354120

約数和(自身を除く): 6954400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2213, 2440, 4426, 8852, 11065, 17704, 22130, 44260, 88520, 134993, 269986, 539972, 674965, 1079944, 1349930, 2699860, 5399720]

約数ペア:

[(1, 5399720), (2, 2699860), (4, 1349930), (5, 1079944), (8, 674965), (10, 539972), (20, 269986), (40, 134993), (61, 88520), (122, 44260), (244, 22130), (305, 17704), (488, 11065), (610, 8852), (1220, 4426), (2213, 2440)]