164877280

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4621}}^1$

素因数の和:4859

約数の個数: 48

約数和(自身を含む): 391353984

約数和(自身を除く): 226476704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 4621, 7136, 8920, 9242, 17840, 18484, 23105, 35680, 36968, 46210, 73936, 92420, 147872, 184840, 369680, 739360, 1030483, 2060966, 4121932, 5152415, 8243864, 10304830, 16487728, 20609660, 32975456, 41219320, 82438640, 164877280]

約数ペア:

[(1, 164877280), (2, 82438640), (4, 41219320), (5, 32975456), (8, 20609660), (10, 16487728), (16, 10304830), (20, 8243864), (32, 5152415), (40, 4121932), (80, 2060966), (160, 1030483), (223, 739360), (446, 369680), (892, 184840), (1115, 147872), (1784, 92420), (2230, 73936), (3568, 46210), (4460, 36968), (4621, 35680), (7136, 23105), (8920, 18484), (9242, 17840)]