81326180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{24061}}^1$

素因数の和:24096

約数の個数: 36

約数和(自身を含む): 184940532

約数和(自身を除く): 103614352

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 24061, 48122, 96244, 120305, 240610, 312793, 481220, 625586, 1251172, 1563965, 3127930, 4066309, 6255860, 8132618, 16265236, 20331545, 40663090, 81326180]

約数ペア:

[(1, 81326180), (2, 40663090), (4, 20331545), (5, 16265236), (10, 8132618), (13, 6255860), (20, 4066309), (26, 3127930), (52, 1563965), (65, 1251172), (130, 625586), (169, 481220), (260, 312793), (338, 240610), (676, 120305), (845, 96244), (1690, 48122), (3380, 24061)]