64695320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{70321}}^1$

素因数の和:70355

約数の個数: 32

約数和(自身を含む): 151895520

約数和(自身を除く): 87200200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 70321, 140642, 281284, 351605, 562568, 703210, 1406420, 1617383, 2812840, 3234766, 6469532, 8086915, 12939064, 16173830, 32347660, 64695320]

約数ペア:

[(1, 64695320), (2, 32347660), (4, 16173830), (5, 12939064), (8, 8086915), (10, 6469532), (20, 3234766), (23, 2812840), (40, 1617383), (46, 1406420), (92, 703210), (115, 562568), (184, 351605), (230, 281284), (460, 140642), (920, 70321)]