16799440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 45175680

約数和(自身を除く): 28376240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 229, 262, 280, 458, 524, 560, 655, 916, 917, 1048, 1145, 1310, 1603, 1832, 1834, 2096, 2290, 2620, 3206, 3664, 3668, 4580, 4585, 5240, 6412, 7336, 8015, 9160, 9170, 10480, 12824, 14672, 16030, 18320, 18340, 25648, 29999, 32060, 36680, 59998, 64120, 73360, 119996, 128240, 149995, 209993, 239992, 299990, 419986, 479984, 599980, 839972, 1049965, 1199960, 1679944, 2099930, 2399920, 3359888, 4199860, 8399720, 16799440]

約数ペア:

[(1, 16799440), (2, 8399720), (4, 4199860), (5, 3359888), (7, 2399920), (8, 2099930), (10, 1679944), (14, 1199960), (16, 1049965), (20, 839972), (28, 599980), (35, 479984), (40, 419986), (56, 299990), (70, 239992), (80, 209993), (112, 149995), (131, 128240), (140, 119996), (229, 73360), (262, 64120), (280, 59998), (458, 36680), (524, 32060), (560, 29999), (655, 25648), (916, 18340), (917, 18320), (1048, 16030), (1145, 14672), (1310, 12824), (1603, 10480), (1832, 9170), (1834, 9160), (2096, 8015), (2290, 7336), (2620, 6412), (3206, 5240), (3664, 4585), (3668, 4580)]