87385720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{26321}}^1$

素因数の和:26415

約数の個数: 32

約数和(自身を含む): 198994320

約数和(自身を除く): 111608600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 26321, 52642, 105284, 131605, 210568, 263210, 526420, 1052840, 2184643, 4369286, 8738572, 10923215, 17477144, 21846430, 43692860, 87385720]

約数ペア:

[(1, 87385720), (2, 43692860), (4, 21846430), (5, 17477144), (8, 10923215), (10, 8738572), (20, 4369286), (40, 2184643), (83, 1052840), (166, 526420), (332, 263210), (415, 210568), (664, 131605), (830, 105284), (1660, 52642), (3320, 26321)]