2019882800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1249}}^1$

素因数の和:1591

約数の個数: 120

約数和(自身を含む): 5247060000

約数和(自身を除く): 3227177200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 311, 325, 400, 520, 622, 650, 1040, 1244, 1249, 1300, 1555, 2488, 2498, 2600, 3110, 4043, 4976, 4996, 5200, 6220, 6245, 7775, 8086, 9992, 12440, 12490, 15550, 16172, 16237, 19984, 20215, 24880, 24980, 31100, 31225, 32344, 32474, 40430, 49960, 62200, 62450, 64688, 64948, 80860, 81185, 99920, 101075, 124400, 124900, 129896, 161720, 162370, 202150, 249800, 259792, 323440, 324740, 388439, 404300, 405925, 499600, 649480, 776878, 808600, 811850, 1298960, 1553756, 1617200, 1623700, 1942195, 3107512, 3247400, 3884390, 5049707, 6215024, 6494800, 7768780, 9710975, 10099414, 15537560, 19421950, 20198828, 25248535, 31075120, 38843900, 40397656, 50497070, 77687800, 80795312, 100994140, 126242675, 155375600, 201988280, 252485350, 403976560, 504970700, 1009941400, 2019882800]

約数ペア:

[(1, 2019882800), (2, 1009941400), (4, 504970700), (5, 403976560), (8, 252485350), (10, 201988280), (13, 155375600), (16, 126242675), (20, 100994140), (25, 80795312), (26, 77687800), (40, 50497070), (50, 40397656), (52, 38843900), (65, 31075120), (80, 25248535), (100, 20198828), (104, 19421950), (130, 15537560), (200, 10099414), (208, 9710975), (260, 7768780), (311, 6494800), (325, 6215024), (400, 5049707), (520, 3884390), (622, 3247400), (650, 3107512), (1040, 1942195), (1244, 1623700), (1249, 1617200), (1300, 1553756), (1555, 1298960), (2488, 811850), (2498, 808600), (2600, 776878), (3110, 649480), (4043, 499600), (4976, 405925), (4996, 404300), (5200, 388439), (6220, 324740), (6245, 323440), (7775, 259792), (8086, 249800), (9992, 202150), (12440, 162370), (12490, 161720), (15550, 129896), (16172, 124900), (16237, 124400), (19984, 101075), (20215, 99920), (24880, 81185), (24980, 80860), (31100, 64948), (31225, 64688), (32344, 62450), (32474, 62200), (40430, 49960)]