65205680

素因数分解:

$2^4\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1097}}^1$

素因数の和:1853

約数の個数: 40

約数和(自身を含む): 151945632

約数和(自身を除く): 86739952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 743, 1097, 1486, 2194, 2972, 3715, 4388, 5485, 5944, 7430, 8776, 10970, 11888, 14860, 17552, 21940, 29720, 43880, 59440, 87760, 815071, 1630142, 3260284, 4075355, 6520568, 8150710, 13041136, 16301420, 32602840, 65205680]

約数ペア:

[(1, 65205680), (2, 32602840), (4, 16301420), (5, 13041136), (8, 8150710), (10, 6520568), (16, 4075355), (20, 3260284), (40, 1630142), (80, 815071), (743, 87760), (1097, 59440), (1486, 43880), (2194, 29720), (2972, 21940), (3715, 17552), (4388, 14860), (5485, 11888), (5944, 10970), (7430, 8776)]