135958640

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{7621}}^1$

素因数の和:7857

約数の個数: 40

約数和(自身を含む): 317563008

約数和(自身を除く): 181604368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 7621, 8920, 15242, 17840, 30484, 38105, 60968, 76210, 121936, 152420, 304840, 609680, 1699483, 3398966, 6797932, 8497415, 13595864, 16994830, 27191728, 33989660, 67979320, 135958640]

約数ペア:

[(1, 135958640), (2, 67979320), (4, 33989660), (5, 27191728), (8, 16994830), (10, 13595864), (16, 8497415), (20, 6797932), (40, 3398966), (80, 1699483), (223, 609680), (446, 304840), (892, 152420), (1115, 121936), (1784, 76210), (2230, 60968), (3568, 38105), (4460, 30484), (7621, 17840), (8920, 15242)]