54840996860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{377329}}^1$

素因数の和:377407

約数の個数: 72

約数和(自身を含む): 127606968720

約数和(自身を除く): 72765971860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 169, 172, 215, 260, 338, 430, 559, 676, 845, 860, 1118, 1690, 2236, 2795, 3380, 5590, 7267, 11180, 14534, 29068, 36335, 72670, 145340, 377329, 754658, 1509316, 1886645, 3773290, 4905277, 7546580, 9810554, 16225147, 19621108, 24526385, 32450294, 49052770, 63768601, 64900588, 81125735, 98105540, 127537202, 162251470, 210926911, 255074404, 318843005, 324502940, 421853822, 637686010, 843707644, 1054634555, 1275372020, 2109269110, 2742049843, 4218538220, 5484099686, 10968199372, 13710249215, 27420498430, 54840996860]

約数ペア:

[(1, 54840996860), (2, 27420498430), (4, 13710249215), (5, 10968199372), (10, 5484099686), (13, 4218538220), (20, 2742049843), (26, 2109269110), (43, 1275372020), (52, 1054634555), (65, 843707644), (86, 637686010), (130, 421853822), (169, 324502940), (172, 318843005), (215, 255074404), (260, 210926911), (338, 162251470), (430, 127537202), (559, 98105540), (676, 81125735), (845, 64900588), (860, 63768601), (1118, 49052770), (1690, 32450294), (2236, 24526385), (2795, 19621108), (3380, 16225147), (5590, 9810554), (7267, 7546580), (11180, 4905277), (14534, 3773290), (29068, 1886645), (36335, 1509316), (72670, 754658), (145340, 377329)]