13597280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4999}}^1$

素因数の和:5031

約数の個数: 48

約数和(自身を含む): 34020000

約数和(自身を除く): 20422720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 4999, 9998, 19996, 24995, 39992, 49990, 79984, 84983, 99980, 159968, 169966, 199960, 339932, 399920, 424915, 679864, 799840, 849830, 1359728, 1699660, 2719456, 3399320, 6798640, 13597280]

約数ペア:

[(1, 13597280), (2, 6798640), (4, 3399320), (5, 2719456), (8, 1699660), (10, 1359728), (16, 849830), (17, 799840), (20, 679864), (32, 424915), (34, 399920), (40, 339932), (68, 199960), (80, 169966), (85, 159968), (136, 99980), (160, 84983), (170, 79984), (272, 49990), (340, 39992), (544, 24995), (680, 19996), (1360, 9998), (2720, 4999)]