25563550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 50889600

約数和(自身を除く): 25326050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 71, 95, 142, 190, 355, 379, 475, 710, 758, 950, 1349, 1775, 1895, 2698, 3550, 3790, 6745, 7201, 9475, 13490, 14402, 18950, 26909, 33725, 36005, 53818, 67450, 72010, 134545, 180025, 269090, 360050, 511271, 672725, 1022542, 1345450, 2556355, 5112710, 12781775, 25563550]

約数ペア:

[(1, 25563550), (2, 12781775), (5, 5112710), (10, 2556355), (19, 1345450), (25, 1022542), (38, 672725), (50, 511271), (71, 360050), (95, 269090), (142, 180025), (190, 134545), (355, 72010), (379, 67450), (475, 53818), (710, 36005), (758, 33725), (950, 26909), (1349, 18950), (1775, 14402), (1895, 13490), (2698, 9475), (3550, 7201), (3790, 6745)]