74509720

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{18443}}^1$

素因数の和:18555

約数の個数: 32

約数和(自身を含む): 169315920

約数和(自身を除く): 94806200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 18443, 36886, 73772, 92215, 147544, 184430, 368860, 737720, 1862743, 3725486, 7450972, 9313715, 14901944, 18627430, 37254860, 74509720]

約数ペア:

[(1, 74509720), (2, 37254860), (4, 18627430), (5, 14901944), (8, 9313715), (10, 7450972), (20, 3725486), (40, 1862743), (101, 737720), (202, 368860), (404, 184430), (505, 147544), (808, 92215), (1010, 73772), (2020, 36886), (4040, 18443)]