1640830

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 32

約数和(自身を含む): 3133440

約数和(自身を除く): 1492610

約数列:

[1, 2, 5, 10, 31, 62, 67, 79, 134, 155, 158, 310, 335, 395, 670, 790, 2077, 2449, 4154, 4898, 5293, 10385, 10586, 12245, 20770, 24490, 26465, 52930, 164083, 328166, 820415, 1640830]

約数ペア:

[(1, 1640830), (2, 820415), (5, 328166), (10, 164083), (31, 52930), (62, 26465), (67, 24490), (79, 20770), (134, 12245), (155, 10586), (158, 10385), (310, 5293), (335, 4898), (395, 4154), (670, 2449), (790, 2077)]