165064360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{100649}}^1$

素因数の和:100701

約数の個数: 32

約数和(自身を含む): 380457000

約数和(自身を除く): 215392640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 100649, 201298, 402596, 503245, 805192, 1006490, 2012980, 4025960, 4126609, 8253218, 16506436, 20633045, 33012872, 41266090, 82532180, 165064360]

約数ペア:

[(1, 165064360), (2, 82532180), (4, 41266090), (5, 33012872), (8, 20633045), (10, 16506436), (20, 8253218), (40, 4126609), (41, 4025960), (82, 2012980), (164, 1006490), (205, 805192), (328, 503245), (410, 402596), (820, 201298), (1640, 100649)]