25702040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:361

約数の個数: 128

約数和(自身を含む): 74511360

約数和(自身を除く): 48809320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 307, 322, 364, 455, 460, 520, 598, 614, 644, 728, 805, 910, 920, 1196, 1228, 1288, 1495, 1535, 1610, 1820, 2093, 2149, 2392, 2456, 2990, 3070, 3220, 3640, 3991, 4186, 4298, 5980, 6140, 6440, 7061, 7982, 8372, 8596, 10465, 10745, 11960, 12280, 14122, 15964, 16744, 17192, 19955, 20930, 21490, 27937, 28244, 31928, 35305, 39910, 41860, 42980, 49427, 55874, 56488, 70610, 79820, 83720, 85960, 91793, 98854, 111748, 139685, 141220, 159640, 183586, 197708, 223496, 247135, 279370, 282440, 367172, 395416, 458965, 494270, 558740, 642551, 734344, 917930, 988540, 1117480, 1285102, 1835860, 1977080, 2570204, 3212755, 3671720, 5140408, 6425510, 12851020, 25702040]

約数ペア:

[(1, 25702040), (2, 12851020), (4, 6425510), (5, 5140408), (7, 3671720), (8, 3212755), (10, 2570204), (13, 1977080), (14, 1835860), (20, 1285102), (23, 1117480), (26, 988540), (28, 917930), (35, 734344), (40, 642551), (46, 558740), (52, 494270), (56, 458965), (65, 395416), (70, 367172), (91, 282440), (92, 279370), (104, 247135), (115, 223496), (130, 197708), (140, 183586), (161, 159640), (182, 141220), (184, 139685), (230, 111748), (260, 98854), (280, 91793), (299, 85960), (307, 83720), (322, 79820), (364, 70610), (455, 56488), (460, 55874), (520, 49427), (598, 42980), (614, 41860), (644, 39910), (728, 35305), (805, 31928), (910, 28244), (920, 27937), (1196, 21490), (1228, 20930), (1288, 19955), (1495, 17192), (1535, 16744), (1610, 15964), (1820, 14122), (2093, 12280), (2149, 11960), (2392, 10745), (2456, 10465), (2990, 8596), (3070, 8372), (3220, 7982), (3640, 7061), (3991, 6440), (4186, 6140), (4298, 5980)]