77357440

素因数分解:

$2^7\times 5^1\times {\mathrm{120871}}^1$

素因数の和:120890

約数の個数: 32

約数和(自身を含む): 184934160

約数和(自身を除く): 107576720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 120871, 241742, 483484, 604355, 966968, 1208710, 1933936, 2417420, 3867872, 4834840, 7735744, 9669680, 15471488, 19339360, 38678720, 77357440]

約数ペア:

[(1, 77357440), (2, 38678720), (4, 19339360), (5, 15471488), (8, 9669680), (10, 7735744), (16, 4834840), (20, 3867872), (32, 2417420), (40, 1933936), (64, 1208710), (80, 966968), (128, 604355), (160, 483484), (320, 241742), (640, 120871)]