77670760

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{2843}}^1$

素因数の和:3537

約数の個数: 32

約数和(自身を含む): 175076640

約数和(自身を除く): 97405880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2732, 2843, 3415, 5464, 5686, 6830, 11372, 13660, 14215, 22744, 27320, 28430, 56860, 113720, 1941769, 3883538, 7767076, 9708845, 15534152, 19417690, 38835380, 77670760]

約数ペア:

[(1, 77670760), (2, 38835380), (4, 19417690), (5, 15534152), (8, 9708845), (10, 7767076), (20, 3883538), (40, 1941769), (683, 113720), (1366, 56860), (2732, 28430), (2843, 27320), (3415, 22744), (5464, 14215), (5686, 13660), (6830, 11372)]