899720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 2056320

約数和(自身を除く): 1156600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 271, 332, 415, 542, 664, 830, 1084, 1355, 1660, 2168, 2710, 3320, 5420, 10840, 22493, 44986, 89972, 112465, 179944, 224930, 449860, 899720]

約数ペア:

[(1, 899720), (2, 449860), (4, 224930), (5, 179944), (8, 112465), (10, 89972), (20, 44986), (40, 22493), (83, 10840), (166, 5420), (271, 3320), (332, 2710), (415, 2168), (542, 1660), (664, 1355), (830, 1084)]