201933440

素因数分解:

$2^7\times 5^1\times {\mathrm{315521}}^1$

素因数の和:315540

約数の個数: 32

約数和(自身を含む): 482748660

約数和(自身を除く): 280815220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 315521, 631042, 1262084, 1577605, 2524168, 3155210, 5048336, 6310420, 10096672, 12620840, 20193344, 25241680, 40386688, 50483360, 100966720, 201933440]

約数ペア:

[(1, 201933440), (2, 100966720), (4, 50483360), (5, 40386688), (8, 25241680), (10, 20193344), (16, 12620840), (20, 10096672), (32, 6310420), (40, 5048336), (64, 3155210), (80, 2524168), (128, 1577605), (160, 1262084), (320, 631042), (640, 315521)]