2017997440

素因数分解:

$2^7\times 5^1\times {\mathrm{3153121}}^1$

素因数の和:3153140

約数の個数: 32

約数和(自身を含む): 4824276660

約数和(自身を除く): 2806279220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3153121, 6306242, 12612484, 15765605, 25224968, 31531210, 50449936, 63062420, 100899872, 126124840, 201799744, 252249680, 403599488, 504499360, 1008998720, 2017997440]

約数ペア:

[(1, 2017997440), (2, 1008998720), (4, 504499360), (5, 403599488), (8, 252249680), (10, 201799744), (16, 126124840), (20, 100899872), (32, 63062420), (40, 50449936), (64, 31531210), (80, 25224968), (128, 15765605), (160, 12612484), (320, 6306242), (640, 3153121)]