78529120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28871}}^1$

素因数の和:28903

約数の個数: 48

約数和(自身を含む): 196445088

約数和(自身を除く): 117915968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 28871, 57742, 115484, 144355, 230968, 288710, 461936, 490807, 577420, 923872, 981614, 1154840, 1963228, 2309680, 2454035, 3926456, 4619360, 4908070, 7852912, 9816140, 15705824, 19632280, 39264560, 78529120]

約数ペア:

[(1, 78529120), (2, 39264560), (4, 19632280), (5, 15705824), (8, 9816140), (10, 7852912), (16, 4908070), (17, 4619360), (20, 3926456), (32, 2454035), (34, 2309680), (40, 1963228), (68, 1154840), (80, 981614), (85, 923872), (136, 577420), (160, 490807), (170, 461936), (272, 288710), (340, 230968), (544, 144355), (680, 115484), (1360, 57742), (2720, 28871)]