87545720

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3833}}^1$

素因数の和:4415

約数の個数: 32

約数和(自身を含む): 197374320

約数和(自身を除く): 109828600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 3833, 4568, 5710, 7666, 11420, 15332, 19165, 22840, 30664, 38330, 76660, 153320, 2188643, 4377286, 8754572, 10943215, 17509144, 21886430, 43772860, 87545720]

約数ペア:

[(1, 87545720), (2, 43772860), (4, 21886430), (5, 17509144), (8, 10943215), (10, 8754572), (20, 4377286), (40, 2188643), (571, 153320), (1142, 76660), (2284, 38330), (2855, 30664), (3833, 22840), (4568, 19165), (5710, 15332), (7666, 11420)]