31261450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{503}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 64120896

約数和(自身を除く): 32859446

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 113, 226, 275, 503, 550, 565, 1006, 1130, 1243, 2486, 2515, 2825, 5030, 5533, 5650, 6215, 11066, 12430, 12575, 25150, 27665, 31075, 55330, 56839, 62150, 113678, 138325, 276650, 284195, 568390, 625229, 1250458, 1420975, 2841950, 3126145, 6252290, 15630725, 31261450]

約数ペア:

[(1, 31261450), (2, 15630725), (5, 6252290), (10, 3126145), (11, 2841950), (22, 1420975), (25, 1250458), (50, 625229), (55, 568390), (110, 284195), (113, 276650), (226, 138325), (275, 113678), (503, 62150), (550, 56839), (565, 55330), (1006, 31075), (1130, 27665), (1243, 25150), (2486, 12575), (2515, 12430), (2825, 11066), (5030, 6215), (5533, 5650)]