130640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:107

約数の個数: 40

約数和(自身を含む): 321408

約数和(自身を除く): 190768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 71, 80, 92, 115, 142, 184, 230, 284, 355, 368, 460, 568, 710, 920, 1136, 1420, 1633, 1840, 2840, 3266, 5680, 6532, 8165, 13064, 16330, 26128, 32660, 65320, 130640]

約数ペア:

[(1, 130640), (2, 65320), (4, 32660), (5, 26128), (8, 16330), (10, 13064), (16, 8165), (20, 6532), (23, 5680), (40, 3266), (46, 2840), (71, 1840), (80, 1633), (92, 1420), (115, 1136), (142, 920), (184, 710), (230, 568), (284, 460), (355, 368)]