8401000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 20367360

約数和(自身を除く): 11966360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 271, 310, 500, 542, 620, 775, 1000, 1084, 1240, 1355, 1550, 2168, 2710, 3100, 3875, 5420, 6200, 6775, 7750, 8401, 10840, 13550, 15500, 16802, 27100, 31000, 33604, 33875, 42005, 54200, 67208, 67750, 84010, 135500, 168020, 210025, 271000, 336040, 420050, 840100, 1050125, 1680200, 2100250, 4200500, 8401000]

約数ペア:

[(1, 8401000), (2, 4200500), (4, 2100250), (5, 1680200), (8, 1050125), (10, 840100), (20, 420050), (25, 336040), (31, 271000), (40, 210025), (50, 168020), (62, 135500), (100, 84010), (124, 67750), (125, 67208), (155, 54200), (200, 42005), (248, 33875), (250, 33604), (271, 31000), (310, 27100), (500, 16802), (542, 15500), (620, 13550), (775, 10840), (1000, 8401), (1084, 7750), (1240, 6775), (1355, 6200), (1550, 5420), (2168, 3875), (2710, 3100)]