65420800

素因数分解:

$2^9\times 5^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:316

約数の個数: 120

約数和(自身を含む): 171250200

約数和(自身を除く): 105829400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 256, 269, 304, 320, 380, 400, 475, 512, 538, 608, 640, 760, 800, 950, 1076, 1216, 1280, 1345, 1520, 1600, 1900, 2152, 2432, 2560, 2690, 3040, 3200, 3800, 4304, 4864, 5111, 5380, 6080, 6400, 6725, 7600, 8608, 9728, 10222, 10760, 12160, 12800, 13450, 15200, 17216, 20444, 21520, 24320, 25555, 26900, 30400, 34432, 40888, 43040, 48640, 51110, 53800, 60800, 68864, 81776, 86080, 102220, 107600, 121600, 127775, 137728, 163552, 172160, 204440, 215200, 243200, 255550, 327104, 344320, 408880, 430400, 511100, 654208, 688640, 817760, 860800, 1022200, 1308416, 1635520, 1721600, 2044400, 2616832, 3271040, 3443200, 4088800, 6542080, 8177600, 13084160, 16355200, 32710400, 65420800]

約数ペア:

[(1, 65420800), (2, 32710400), (4, 16355200), (5, 13084160), (8, 8177600), (10, 6542080), (16, 4088800), (19, 3443200), (20, 3271040), (25, 2616832), (32, 2044400), (38, 1721600), (40, 1635520), (50, 1308416), (64, 1022200), (76, 860800), (80, 817760), (95, 688640), (100, 654208), (128, 511100), (152, 430400), (160, 408880), (190, 344320), (200, 327104), (256, 255550), (269, 243200), (304, 215200), (320, 204440), (380, 172160), (400, 163552), (475, 137728), (512, 127775), (538, 121600), (608, 107600), (640, 102220), (760, 86080), (800, 81776), (950, 68864), (1076, 60800), (1216, 53800), (1280, 51110), (1345, 48640), (1520, 43040), (1600, 40888), (1900, 34432), (2152, 30400), (2432, 26900), (2560, 25555), (2690, 24320), (3040, 21520), (3200, 20444), (3800, 17216), (4304, 15200), (4864, 13450), (5111, 12800), (5380, 12160), (6080, 10760), (6400, 10222), (6725, 9728), (7600, 8608)]