54985240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1019}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 132192000

約数和(自身を除く): 77206760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1019, 1349, 1420, 2038, 2698, 2840, 4076, 5095, 5396, 6745, 8152, 10190, 10792, 13490, 19361, 20380, 26980, 38722, 40760, 53960, 72349, 77444, 96805, 144698, 154888, 193610, 289396, 361745, 387220, 578792, 723490, 774440, 1374631, 1446980, 2749262, 2893960, 5498524, 6873155, 10997048, 13746310, 27492620, 54985240]

約数ペア:

[(1, 54985240), (2, 27492620), (4, 13746310), (5, 10997048), (8, 6873155), (10, 5498524), (19, 2893960), (20, 2749262), (38, 1446980), (40, 1374631), (71, 774440), (76, 723490), (95, 578792), (142, 387220), (152, 361745), (190, 289396), (284, 193610), (355, 154888), (380, 144698), (568, 96805), (710, 77444), (760, 72349), (1019, 53960), (1349, 40760), (1420, 38722), (2038, 26980), (2698, 20380), (2840, 19361), (4076, 13490), (5095, 10792), (5396, 10190), (6745, 8152)]