30985760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14897}}^1$

素因数の和:14925

約数の個数: 48

約数和(自身を含む): 78840216

約数和(自身を除く): 47854456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 14897, 29794, 59588, 74485, 119176, 148970, 193661, 238352, 297940, 387322, 476704, 595880, 774644, 968305, 1191760, 1549288, 1936610, 2383520, 3098576, 3873220, 6197152, 7746440, 15492880, 30985760]

約数ペア:

[(1, 30985760), (2, 15492880), (4, 7746440), (5, 6197152), (8, 3873220), (10, 3098576), (13, 2383520), (16, 1936610), (20, 1549288), (26, 1191760), (32, 968305), (40, 774644), (52, 595880), (65, 476704), (80, 387322), (104, 297940), (130, 238352), (160, 193661), (208, 148970), (260, 119176), (416, 74485), (520, 59588), (1040, 29794), (2080, 14897)]