77493280

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11813}}^1$

素因数の和:11869

約数の個数: 48

約数和(自身を含む): 187559064

約数和(自身を除く): 110065784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 11813, 23626, 47252, 59065, 94504, 118130, 189008, 236260, 378016, 472520, 484333, 945040, 968666, 1890080, 1937332, 2421665, 3874664, 4843330, 7749328, 9686660, 15498656, 19373320, 38746640, 77493280]

約数ペア:

[(1, 77493280), (2, 38746640), (4, 19373320), (5, 15498656), (8, 9686660), (10, 7749328), (16, 4843330), (20, 3874664), (32, 2421665), (40, 1937332), (41, 1890080), (80, 968666), (82, 945040), (160, 484333), (164, 472520), (205, 378016), (328, 236260), (410, 189008), (656, 118130), (820, 94504), (1312, 59065), (1640, 47252), (3280, 23626), (6560, 11813)]