71138720

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8389}}^1$

素因数の和:8457

約数の個数: 48

約数和(自身を含む): 171256680

約数和(自身を除く): 100117960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 4240, 8389, 8480, 16778, 33556, 41945, 67112, 83890, 134224, 167780, 268448, 335560, 444617, 671120, 889234, 1342240, 1778468, 2223085, 3556936, 4446170, 7113872, 8892340, 14227744, 17784680, 35569360, 71138720]

約数ペア:

[(1, 71138720), (2, 35569360), (4, 17784680), (5, 14227744), (8, 8892340), (10, 7113872), (16, 4446170), (20, 3556936), (32, 2223085), (40, 1778468), (53, 1342240), (80, 889234), (106, 671120), (160, 444617), (212, 335560), (265, 268448), (424, 167780), (530, 134224), (848, 83890), (1060, 67112), (1696, 41945), (2120, 33556), (4240, 16778), (8389, 8480)]