20153622850

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{26713}}^1$

素因数の和:26995

約数の個数: 48

約数和(自身を含む): 38160414720

約数和(自身を除く): 18006791870

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 191, 382, 395, 790, 955, 1910, 1975, 3950, 4775, 9550, 15089, 26713, 30178, 53426, 75445, 133565, 150890, 267130, 377225, 667825, 754450, 1335650, 2110327, 4220654, 5102183, 10204366, 10551635, 21103270, 25510915, 51021830, 52758175, 105516350, 127554575, 255109150, 403072457, 806144914, 2015362285, 4030724570, 10076811425, 20153622850]

約数ペア:

[(1, 20153622850), (2, 10076811425), (5, 4030724570), (10, 2015362285), (25, 806144914), (50, 403072457), (79, 255109150), (158, 127554575), (191, 105516350), (382, 52758175), (395, 51021830), (790, 25510915), (955, 21103270), (1910, 10551635), (1975, 10204366), (3950, 5102183), (4775, 4220654), (9550, 2110327), (15089, 1335650), (26713, 754450), (30178, 667825), (53426, 377225), (75445, 267130), (133565, 150890)]