12802790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1317

約数の個数: 64

約数和(自身を含む): 30965760

約数和(自身を除く): 18162970

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1279, 1430, 2002, 2558, 5005, 6395, 8953, 10010, 12790, 14069, 16627, 17906, 28138, 33254, 44765, 70345, 83135, 89530, 98483, 116389, 140690, 166270, 182897, 196966, 232778, 365794, 492415, 581945, 914485, 984830, 1163890, 1280279, 1828970, 2560558, 6401395, 12802790]

約数ペア:

[(1, 12802790), (2, 6401395), (5, 2560558), (7, 1828970), (10, 1280279), (11, 1163890), (13, 984830), (14, 914485), (22, 581945), (26, 492415), (35, 365794), (55, 232778), (65, 196966), (70, 182897), (77, 166270), (91, 140690), (110, 116389), (130, 98483), (143, 89530), (154, 83135), (182, 70345), (286, 44765), (385, 33254), (455, 28138), (715, 17906), (770, 16627), (910, 14069), (1001, 12790), (1279, 10010), (1430, 8953), (2002, 6395), (2558, 5005)]