72004480

素因数分解:

$2^7\times 5^1\times {\mathrm{112507}}^1$

素因数の和:112526

約数の個数: 32

約数和(自身を含む): 172137240

約数和(自身を除く): 100132760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 112507, 225014, 450028, 562535, 900056, 1125070, 1800112, 2250140, 3600224, 4500280, 7200448, 9000560, 14400896, 18001120, 36002240, 72004480]

約数ペア:

[(1, 72004480), (2, 36002240), (4, 18001120), (5, 14400896), (8, 9000560), (10, 7200448), (16, 4500280), (20, 3600224), (32, 2250140), (40, 1800112), (64, 1125070), (80, 900056), (128, 562535), (160, 450028), (320, 225014), (640, 112507)]