81166670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1933}}^1$

素因数の和:1989

約数の個数: 64

約数和(自身を含む): 175452480

約数和(自身を除く): 94285810

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 1105, 1235, 1615, 1933, 2210, 2470, 3230, 3866, 4199, 8398, 9665, 19330, 20995, 25129, 32861, 36727, 41990, 50258, 65722, 73454, 125645, 164305, 183635, 251290, 328610, 367270, 427193, 477451, 624359, 854386, 954902, 1248718, 2135965, 2387255, 3121795, 4271930, 4774510, 6243590, 8116667, 16233334, 40583335, 81166670]

約数ペア:

[(1, 81166670), (2, 40583335), (5, 16233334), (10, 8116667), (13, 6243590), (17, 4774510), (19, 4271930), (26, 3121795), (34, 2387255), (38, 2135965), (65, 1248718), (85, 954902), (95, 854386), (130, 624359), (170, 477451), (190, 427193), (221, 367270), (247, 328610), (323, 251290), (442, 183635), (494, 164305), (646, 125645), (1105, 73454), (1235, 65722), (1615, 50258), (1933, 41990), (2210, 36727), (2470, 32861), (3230, 25129), (3866, 20995), (4199, 19330), (8398, 9665)]