51460000

素因数分解:

$2^5\times 5^4\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:144

約数の個数: 120

約数和(自身を含む): 132257664

約数和(自身を除く): 80797664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 83, 100, 124, 125, 155, 160, 166, 200, 248, 250, 310, 332, 400, 415, 496, 500, 620, 625, 664, 775, 800, 830, 992, 1000, 1240, 1250, 1328, 1550, 1660, 2000, 2075, 2480, 2500, 2573, 2656, 3100, 3320, 3875, 4000, 4150, 4960, 5000, 5146, 6200, 6640, 7750, 8300, 10000, 10292, 10375, 12400, 12865, 13280, 15500, 16600, 19375, 20000, 20584, 20750, 24800, 25730, 31000, 33200, 38750, 41168, 41500, 51460, 51875, 62000, 64325, 66400, 77500, 82336, 83000, 102920, 103750, 124000, 128650, 155000, 166000, 205840, 207500, 257300, 310000, 321625, 332000, 411680, 415000, 514600, 620000, 643250, 830000, 1029200, 1286500, 1608125, 1660000, 2058400, 2573000, 3216250, 5146000, 6432500, 10292000, 12865000, 25730000, 51460000]

約数ペア:

[(1, 51460000), (2, 25730000), (4, 12865000), (5, 10292000), (8, 6432500), (10, 5146000), (16, 3216250), (20, 2573000), (25, 2058400), (31, 1660000), (32, 1608125), (40, 1286500), (50, 1029200), (62, 830000), (80, 643250), (83, 620000), (100, 514600), (124, 415000), (125, 411680), (155, 332000), (160, 321625), (166, 310000), (200, 257300), (248, 207500), (250, 205840), (310, 166000), (332, 155000), (400, 128650), (415, 124000), (496, 103750), (500, 102920), (620, 83000), (625, 82336), (664, 77500), (775, 66400), (800, 64325), (830, 62000), (992, 51875), (1000, 51460), (1240, 41500), (1250, 41168), (1328, 38750), (1550, 33200), (1660, 31000), (2000, 25730), (2075, 24800), (2480, 20750), (2500, 20584), (2573, 20000), (2656, 19375), (3100, 16600), (3320, 15500), (3875, 13280), (4000, 12865), (4150, 12400), (4960, 10375), (5000, 10292), (5146, 10000), (6200, 8300), (6640, 7750)]