51813940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1543}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 115170048

約数和(自身を除く): 63356108

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 73, 92, 115, 146, 230, 292, 365, 460, 730, 1460, 1543, 1679, 3086, 3358, 6172, 6716, 7715, 8395, 15430, 16790, 30860, 33580, 35489, 70978, 112639, 141956, 177445, 225278, 354890, 450556, 563195, 709780, 1126390, 2252780, 2590697, 5181394, 10362788, 12953485, 25906970, 51813940]

約数ペア:

[(1, 51813940), (2, 25906970), (4, 12953485), (5, 10362788), (10, 5181394), (20, 2590697), (23, 2252780), (46, 1126390), (73, 709780), (92, 563195), (115, 450556), (146, 354890), (230, 225278), (292, 177445), (365, 141956), (460, 112639), (730, 70978), (1460, 35489), (1543, 33580), (1679, 30860), (3086, 16790), (3358, 15430), (6172, 8395), (6716, 7715)]