25338880

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{101}}^1$

素因数の和:140

約数の個数: 132

約数和(自身を含む): 71407548

約数和(自身を除く): 46068668

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 101, 112, 128, 140, 160, 196, 202, 224, 245, 256, 280, 320, 392, 404, 448, 490, 505, 512, 560, 640, 707, 784, 808, 896, 980, 1010, 1024, 1120, 1280, 1414, 1568, 1616, 1792, 1960, 2020, 2240, 2560, 2828, 3136, 3232, 3535, 3584, 3920, 4040, 4480, 4949, 5120, 5656, 6272, 6464, 7070, 7168, 7840, 8080, 8960, 9898, 11312, 12544, 12928, 14140, 15680, 16160, 17920, 19796, 22624, 24745, 25088, 25856, 28280, 31360, 32320, 35840, 39592, 45248, 49490, 50176, 51712, 56560, 62720, 64640, 79184, 90496, 98980, 103424, 113120, 125440, 129280, 158368, 180992, 197960, 226240, 250880, 258560, 316736, 361984, 395920, 452480, 517120, 633472, 723968, 791840, 904960, 1266944, 1583680, 1809920, 2533888, 3167360, 3619840, 5067776, 6334720, 12669440, 25338880]

約数ペア:

[(1, 25338880), (2, 12669440), (4, 6334720), (5, 5067776), (7, 3619840), (8, 3167360), (10, 2533888), (14, 1809920), (16, 1583680), (20, 1266944), (28, 904960), (32, 791840), (35, 723968), (40, 633472), (49, 517120), (56, 452480), (64, 395920), (70, 361984), (80, 316736), (98, 258560), (101, 250880), (112, 226240), (128, 197960), (140, 180992), (160, 158368), (196, 129280), (202, 125440), (224, 113120), (245, 103424), (256, 98980), (280, 90496), (320, 79184), (392, 64640), (404, 62720), (448, 56560), (490, 51712), (505, 50176), (512, 49490), (560, 45248), (640, 39592), (707, 35840), (784, 32320), (808, 31360), (896, 28280), (980, 25856), (1010, 25088), (1024, 24745), (1120, 22624), (1280, 19796), (1414, 17920), (1568, 16160), (1616, 15680), (1792, 14140), (1960, 12928), (2020, 12544), (2240, 11312), (2560, 9898), (2828, 8960), (3136, 8080), (3232, 7840), (3535, 7168), (3584, 7070), (3920, 6464), (4040, 6272), (4480, 5656), (4949, 5120)]