27807260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 66714480

約数和(自身を除く): 38907220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 433, 494, 676, 845, 866, 988, 1235, 1690, 1732, 2165, 2470, 3211, 3380, 4330, 4940, 5629, 6422, 8227, 8660, 11258, 12844, 16055, 16454, 22516, 28145, 32110, 32908, 41135, 56290, 64220, 73177, 82270, 106951, 112580, 146354, 164540, 213902, 292708, 365885, 427804, 534755, 731770, 1069510, 1390363, 1463540, 2139020, 2780726, 5561452, 6951815, 13903630, 27807260]

約数ペア:

[(1, 27807260), (2, 13903630), (4, 6951815), (5, 5561452), (10, 2780726), (13, 2139020), (19, 1463540), (20, 1390363), (26, 1069510), (38, 731770), (52, 534755), (65, 427804), (76, 365885), (95, 292708), (130, 213902), (169, 164540), (190, 146354), (247, 112580), (260, 106951), (338, 82270), (380, 73177), (433, 64220), (494, 56290), (676, 41135), (845, 32908), (866, 32110), (988, 28145), (1235, 22516), (1690, 16454), (1732, 16055), (2165, 12844), (2470, 11258), (3211, 8660), (3380, 8227), (4330, 6422), (4940, 5629)]