19402400

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:406

約数の個数: 72

約数和(自身を含む): 48121920

約数和(自身を除く): 28719520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 307, 316, 395, 400, 614, 632, 790, 800, 1228, 1264, 1535, 1580, 1975, 2456, 2528, 3070, 3160, 3950, 4912, 6140, 6320, 7675, 7900, 9824, 12280, 12640, 15350, 15800, 24253, 24560, 30700, 31600, 48506, 49120, 61400, 63200, 97012, 121265, 122800, 194024, 242530, 245600, 388048, 485060, 606325, 776096, 970120, 1212650, 1940240, 2425300, 3880480, 4850600, 9701200, 19402400]

約数ペア:

[(1, 19402400), (2, 9701200), (4, 4850600), (5, 3880480), (8, 2425300), (10, 1940240), (16, 1212650), (20, 970120), (25, 776096), (32, 606325), (40, 485060), (50, 388048), (79, 245600), (80, 242530), (100, 194024), (158, 122800), (160, 121265), (200, 97012), (307, 63200), (316, 61400), (395, 49120), (400, 48506), (614, 31600), (632, 30700), (790, 24560), (800, 24253), (1228, 15800), (1264, 15350), (1535, 12640), (1580, 12280), (1975, 9824), (2456, 7900), (2528, 7675), (3070, 6320), (3160, 6140), (3950, 4912)]