15736665380

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1\times {\mathrm{8831}}^1$

素因数の和:9620

約数の個数: 48

約数和(自身を含む): 33340446720

約数和(自身を除く): 17603781340

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 641, 695, 1282, 1390, 2564, 2780, 3205, 6410, 8831, 12820, 17662, 35324, 44155, 88310, 89099, 176620, 178198, 356396, 445495, 890990, 1227509, 1781980, 2455018, 4910036, 5660671, 6137545, 11321342, 12275090, 22642684, 24550180, 28303355, 56606710, 113213420, 786833269, 1573666538, 3147333076, 3934166345, 7868332690, 15736665380]

約数ペア:

[(1, 15736665380), (2, 7868332690), (4, 3934166345), (5, 3147333076), (10, 1573666538), (20, 786833269), (139, 113213420), (278, 56606710), (556, 28303355), (641, 24550180), (695, 22642684), (1282, 12275090), (1390, 11321342), (2564, 6137545), (2780, 5660671), (3205, 4910036), (6410, 2455018), (8831, 1781980), (12820, 1227509), (17662, 890990), (35324, 445495), (44155, 356396), (88310, 178198), (89099, 176620)]