69440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1$

素因数の和:55

約数の個数: 56

約数和(自身を含む): 195072

約数和(自身を除く): 125632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 4340, 4960, 6944, 8680, 9920, 13888, 17360, 34720, 69440]

約数ペア:

[(1, 69440), (2, 34720), (4, 17360), (5, 13888), (7, 9920), (8, 8680), (10, 6944), (14, 4960), (16, 4340), (20, 3472), (28, 2480), (31, 2240), (32, 2170), (35, 1984), (40, 1736), (56, 1240), (62, 1120), (64, 1085), (70, 992), (80, 868), (112, 620), (124, 560), (140, 496), (155, 448), (160, 434), (217, 320), (224, 310), (248, 280)]