124397440

素因数分解:

$2^7\times 5^1\times {\mathrm{194371}}^1$

素因数の和:194390

約数の個数: 32

約数和(自身を含む): 297389160

約数和(自身を除く): 172991720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 194371, 388742, 777484, 971855, 1554968, 1943710, 3109936, 3887420, 6219872, 7774840, 12439744, 15549680, 24879488, 31099360, 62198720, 124397440]

約数ペア:

[(1, 124397440), (2, 62198720), (4, 31099360), (5, 24879488), (8, 15549680), (10, 12439744), (16, 7774840), (20, 6219872), (32, 3887420), (40, 3109936), (64, 1943710), (80, 1554968), (128, 971855), (160, 777484), (320, 388742), (640, 194371)]