2003371520

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19087}}^1$

素因数の和:19151

約数の個数: 80

約数和(自身を含む): 4920810048

約数和(自身を除く): 2917438528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 640, 656, 820, 1280, 1312, 1640, 2560, 2624, 3280, 5248, 6560, 10496, 13120, 19087, 20992, 26240, 38174, 52480, 76348, 95435, 104960, 152696, 190870, 305392, 381740, 610784, 763480, 782567, 1221568, 1526960, 1565134, 2443136, 3053920, 3130268, 3912835, 4886272, 6107840, 6260536, 7825670, 9772544, 12215680, 12521072, 15651340, 24431360, 25042144, 31302680, 48862720, 50084288, 62605360, 100168576, 125210720, 200337152, 250421440, 400674304, 500842880, 1001685760, 2003371520]

約数ペア:

[(1, 2003371520), (2, 1001685760), (4, 500842880), (5, 400674304), (8, 250421440), (10, 200337152), (16, 125210720), (20, 100168576), (32, 62605360), (40, 50084288), (41, 48862720), (64, 31302680), (80, 25042144), (82, 24431360), (128, 15651340), (160, 12521072), (164, 12215680), (205, 9772544), (256, 7825670), (320, 6260536), (328, 6107840), (410, 4886272), (512, 3912835), (640, 3130268), (656, 3053920), (820, 2443136), (1280, 1565134), (1312, 1526960), (1640, 1221568), (2560, 782567), (2624, 763480), (3280, 610784), (5248, 381740), (6560, 305392), (10496, 190870), (13120, 152696), (19087, 104960), (20992, 95435), (26240, 76348), (38174, 52480)]