91801840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{857}}^1$

素因数の和:986

約数の個数: 80

約数和(自身を含む): 232360128

約数和(自身を除く): 140558288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 103, 104, 130, 206, 208, 260, 412, 515, 520, 824, 857, 1030, 1040, 1339, 1648, 1714, 2060, 2678, 3428, 4120, 4285, 5356, 6695, 6856, 8240, 8570, 10712, 11141, 13390, 13712, 17140, 21424, 22282, 26780, 34280, 44564, 53560, 55705, 68560, 88271, 89128, 107120, 111410, 176542, 178256, 222820, 353084, 441355, 445640, 706168, 882710, 891280, 1147523, 1412336, 1765420, 2295046, 3530840, 4590092, 5737615, 7061680, 9180184, 11475230, 18360368, 22950460, 45900920, 91801840]

約数ペア:

[(1, 91801840), (2, 45900920), (4, 22950460), (5, 18360368), (8, 11475230), (10, 9180184), (13, 7061680), (16, 5737615), (20, 4590092), (26, 3530840), (40, 2295046), (52, 1765420), (65, 1412336), (80, 1147523), (103, 891280), (104, 882710), (130, 706168), (206, 445640), (208, 441355), (260, 353084), (412, 222820), (515, 178256), (520, 176542), (824, 111410), (857, 107120), (1030, 89128), (1040, 88271), (1339, 68560), (1648, 55705), (1714, 53560), (2060, 44564), (2678, 34280), (3428, 26780), (4120, 22282), (4285, 21424), (5356, 17140), (6695, 13712), (6856, 13390), (8240, 11141), (8570, 10712)]