25976420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 57879360

約数和(自身を除く): 31902940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 197, 347, 380, 394, 694, 788, 985, 1388, 1735, 1970, 3470, 3743, 3940, 6593, 6940, 7486, 13186, 14972, 18715, 26372, 32965, 37430, 65930, 68359, 74860, 131860, 136718, 273436, 341795, 683590, 1298821, 1367180, 2597642, 5195284, 6494105, 12988210, 25976420]

約数ペア:

[(1, 25976420), (2, 12988210), (4, 6494105), (5, 5195284), (10, 2597642), (19, 1367180), (20, 1298821), (38, 683590), (76, 341795), (95, 273436), (190, 136718), (197, 131860), (347, 74860), (380, 68359), (394, 65930), (694, 37430), (788, 32965), (985, 26372), (1388, 18715), (1735, 14972), (1970, 13186), (3470, 7486), (3743, 6940), (3940, 6593)]