63968750

素因数分解:

$2^1\times 5^6\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 56

約数和(自身を含む): 126560880

約数和(自身を除く): 62592130

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 89, 115, 125, 178, 230, 250, 445, 575, 625, 890, 1150, 1250, 2047, 2225, 2875, 3125, 4094, 4450, 5750, 6250, 10235, 11125, 14375, 15625, 20470, 22250, 28750, 31250, 51175, 55625, 71875, 102350, 111250, 143750, 255875, 278125, 359375, 511750, 556250, 718750, 1279375, 1390625, 2558750, 2781250, 6396875, 12793750, 31984375, 63968750]

約数ペア:

[(1, 63968750), (2, 31984375), (5, 12793750), (10, 6396875), (23, 2781250), (25, 2558750), (46, 1390625), (50, 1279375), (89, 718750), (115, 556250), (125, 511750), (178, 359375), (230, 278125), (250, 255875), (445, 143750), (575, 111250), (625, 102350), (890, 71875), (1150, 55625), (1250, 51175), (2047, 31250), (2225, 28750), (2875, 22250), (3125, 20470), (4094, 15625), (4450, 14375), (5750, 11125), (6250, 10235)]