82881500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:384

約数の個数: 96

約数和(自身を含む): 200333952

約数和(自身を除く): 117452452

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 125, 130, 164, 205, 250, 260, 311, 325, 410, 500, 533, 622, 650, 820, 1025, 1066, 1244, 1300, 1555, 1625, 2050, 2132, 2665, 3110, 3250, 4043, 4100, 5125, 5330, 6220, 6500, 7775, 8086, 10250, 10660, 12751, 13325, 15550, 16172, 20215, 20500, 25502, 26650, 31100, 38875, 40430, 51004, 53300, 63755, 66625, 77750, 80860, 101075, 127510, 133250, 155500, 165763, 202150, 255020, 266500, 318775, 331526, 404300, 505375, 637550, 663052, 828815, 1010750, 1275100, 1593875, 1657630, 2021500, 3187750, 3315260, 4144075, 6375500, 8288150, 16576300, 20720375, 41440750, 82881500]

約数ペア:

[(1, 82881500), (2, 41440750), (4, 20720375), (5, 16576300), (10, 8288150), (13, 6375500), (20, 4144075), (25, 3315260), (26, 3187750), (41, 2021500), (50, 1657630), (52, 1593875), (65, 1275100), (82, 1010750), (100, 828815), (125, 663052), (130, 637550), (164, 505375), (205, 404300), (250, 331526), (260, 318775), (311, 266500), (325, 255020), (410, 202150), (500, 165763), (533, 155500), (622, 133250), (650, 127510), (820, 101075), (1025, 80860), (1066, 77750), (1244, 66625), (1300, 63755), (1555, 53300), (1625, 51004), (2050, 40430), (2132, 38875), (2665, 31100), (3110, 26650), (3250, 25502), (4043, 20500), (4100, 20215), (5125, 16172), (5330, 15550), (6220, 13325), (6500, 12751), (7775, 10660), (8086, 10250)]