77631520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28541}}^1$

素因数の和:28573

約数の個数: 48

約数和(自身を含む): 194199768

約数和(自身を除く): 116568248

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, 28541, 57082, 114164, 142705, 228328, 285410, 456656, 485197, 570820, 913312, 970394, 1141640, 1940788, 2283280, 2425985, 3881576, 4566560, 4851970, 7763152, 9703940, 15526304, 19407880, 38815760, 77631520]

約数ペア:

[(1, 77631520), (2, 38815760), (4, 19407880), (5, 15526304), (8, 9703940), (10, 7763152), (16, 4851970), (17, 4566560), (20, 3881576), (32, 2425985), (34, 2283280), (40, 1940788), (68, 1141640), (80, 970394), (85, 913312), (136, 570820), (160, 485197), (170, 456656), (272, 285410), (340, 228328), (544, 142705), (680, 114164), (1360, 57082), (2720, 28541)]