28454720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{12703}}^1$

素因数の和:12727

約数の個数: 56

約数和(自身を含む): 77443584

約数和(自身を除く): 48988864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 12703, 25406, 50812, 63515, 88921, 101624, 127030, 177842, 203248, 254060, 355684, 406496, 444605, 508120, 711368, 812992, 889210, 1016240, 1422736, 1778420, 2032480, 2845472, 3556840, 4064960, 5690944, 7113680, 14227360, 28454720]

約数ペア:

[(1, 28454720), (2, 14227360), (4, 7113680), (5, 5690944), (7, 4064960), (8, 3556840), (10, 2845472), (14, 2032480), (16, 1778420), (20, 1422736), (28, 1016240), (32, 889210), (35, 812992), (40, 711368), (56, 508120), (64, 444605), (70, 406496), (80, 355684), (112, 254060), (140, 203248), (160, 177842), (224, 127030), (280, 101624), (320, 88921), (448, 63515), (560, 50812), (1120, 25406), (2240, 12703)]