201531760

素因数分解:

$2^4\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1907}}^1$

素因数の和:3241

約数の個数: 40

約数和(自身を含む): 469161936

約数和(自身を除く): 267630176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1321, 1907, 2642, 3814, 5284, 6605, 7628, 9535, 10568, 13210, 15256, 19070, 21136, 26420, 30512, 38140, 52840, 76280, 105680, 152560, 2519147, 5038294, 10076588, 12595735, 20153176, 25191470, 40306352, 50382940, 100765880, 201531760]

約数ペア:

[(1, 201531760), (2, 100765880), (4, 50382940), (5, 40306352), (8, 25191470), (10, 20153176), (16, 12595735), (20, 10076588), (40, 5038294), (80, 2519147), (1321, 152560), (1907, 105680), (2642, 76280), (3814, 52840), (5284, 38140), (6605, 30512), (7628, 26420), (9535, 21136), (10568, 19070), (13210, 15256)]