28666540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2467}}^1$

素因数の和:2566

約数の個数: 48

約数和(自身を含む): 69656832

約数和(自身を除く): 40990292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2467, 2905, 4934, 5810, 9868, 11620, 12335, 17269, 24670, 34538, 49340, 69076, 86345, 172690, 204761, 345380, 409522, 819044, 1023805, 1433327, 2047610, 2866654, 4095220, 5733308, 7166635, 14333270, 28666540]

約数ペア:

[(1, 28666540), (2, 14333270), (4, 7166635), (5, 5733308), (7, 4095220), (10, 2866654), (14, 2047610), (20, 1433327), (28, 1023805), (35, 819044), (70, 409522), (83, 345380), (140, 204761), (166, 172690), (332, 86345), (415, 69076), (581, 49340), (830, 34538), (1162, 24670), (1660, 17269), (2324, 12335), (2467, 11620), (2905, 9868), (4934, 5810)]