155047040

素因数分解:

$2^7\times 5^1\times {\mathrm{242261}}^1$

素因数の和:242280

約数の個数: 32

約数和(自身を含む): 370660860

約数和(自身を除く): 215613820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 242261, 484522, 969044, 1211305, 1938088, 2422610, 3876176, 4845220, 7752352, 9690440, 15504704, 19380880, 31009408, 38761760, 77523520, 155047040]

約数ペア:

[(1, 155047040), (2, 77523520), (4, 38761760), (5, 31009408), (8, 19380880), (10, 15504704), (16, 9690440), (20, 7752352), (32, 4845220), (40, 3876176), (64, 2422610), (80, 1938088), (128, 1211305), (160, 969044), (320, 484522), (640, 242261)]