165686980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{2027}}^1$

素因数の和:2164

約数の個数: 48

約数和(自身を含む): 359102016

約数和(自身を除く): 193415036

約数列:

[1, 2, 4, 5, 10, 20, 61, 67, 122, 134, 244, 268, 305, 335, 610, 670, 1220, 1340, 2027, 4054, 4087, 8108, 8174, 10135, 16348, 20270, 20435, 40540, 40870, 81740, 123647, 135809, 247294, 271618, 494588, 543236, 618235, 679045, 1236470, 1358090, 2472940, 2716180, 8284349, 16568698, 33137396, 41421745, 82843490, 165686980]

約数ペア:

[(1, 165686980), (2, 82843490), (4, 41421745), (5, 33137396), (10, 16568698), (20, 8284349), (61, 2716180), (67, 2472940), (122, 1358090), (134, 1236470), (244, 679045), (268, 618235), (305, 543236), (335, 494588), (610, 271618), (670, 247294), (1220, 135809), (1340, 123647), (2027, 81740), (4054, 40870), (4087, 40540), (8108, 20435), (8174, 20270), (10135, 16348)]