28525380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36571}}^1$

素因数の和:36596

約数の個数: 48

約数和(自身を含む): 86017344

約数和(自身を除く): 57491964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 36571, 73142, 109713, 146284, 182855, 219426, 365710, 438852, 475423, 548565, 731420, 950846, 1097130, 1426269, 1901692, 2194260, 2377115, 2852538, 4754230, 5705076, 7131345, 9508460, 14262690, 28525380]

約数ペア:

[(1, 28525380), (2, 14262690), (3, 9508460), (4, 7131345), (5, 5705076), (6, 4754230), (10, 2852538), (12, 2377115), (13, 2194260), (15, 1901692), (20, 1426269), (26, 1097130), (30, 950846), (39, 731420), (52, 548565), (60, 475423), (65, 438852), (78, 365710), (130, 219426), (156, 182855), (195, 146284), (260, 109713), (390, 73142), (780, 36571)]