31578950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2557}}^1$

素因数の和:2601

約数の個数: 48

約数和(自身を含む): 66610320

約数和(自身を除く): 35031370

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 2470, 2557, 5114, 6175, 12350, 12785, 25570, 33241, 48583, 63925, 66482, 97166, 127850, 166205, 242915, 332410, 485830, 631579, 831025, 1214575, 1263158, 1662050, 2429150, 3157895, 6315790, 15789475, 31578950]

約数ペア:

[(1, 31578950), (2, 15789475), (5, 6315790), (10, 3157895), (13, 2429150), (19, 1662050), (25, 1263158), (26, 1214575), (38, 831025), (50, 631579), (65, 485830), (95, 332410), (130, 242915), (190, 166205), (247, 127850), (325, 97166), (475, 66482), (494, 63925), (650, 48583), (950, 33241), (1235, 25570), (2470, 12785), (2557, 12350), (5114, 6175)]