205430800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{16567}}^1$

素因数の和:16616

約数の個数: 60

約数和(自身を含む): 509499136

約数和(自身を除く): 304068336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 16567, 33134, 66268, 82835, 132536, 165670, 265072, 331340, 414175, 513577, 662680, 828350, 1027154, 1325360, 1656700, 2054308, 2567885, 3313400, 4108616, 5135770, 6626800, 8217232, 10271540, 12839425, 20543080, 25678850, 41086160, 51357700, 102715400, 205430800]

約数ペア:

[(1, 205430800), (2, 102715400), (4, 51357700), (5, 41086160), (8, 25678850), (10, 20543080), (16, 12839425), (20, 10271540), (25, 8217232), (31, 6626800), (40, 5135770), (50, 4108616), (62, 3313400), (80, 2567885), (100, 2054308), (124, 1656700), (155, 1325360), (200, 1027154), (248, 828350), (310, 662680), (400, 513577), (496, 414175), (620, 331340), (775, 265072), (1240, 165670), (1550, 132536), (2480, 82835), (3100, 66268), (6200, 33134), (12400, 16567)]