25471120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 62853120

約数和(自身を除く): 37382000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 109, 115, 127, 184, 218, 230, 254, 368, 436, 460, 508, 545, 635, 872, 920, 1016, 1090, 1270, 1744, 1840, 2032, 2180, 2507, 2540, 2921, 4360, 5014, 5080, 5842, 8720, 10028, 10160, 11684, 12535, 13843, 14605, 20056, 23368, 25070, 27686, 29210, 40112, 46736, 50140, 55372, 58420, 69215, 100280, 110744, 116840, 138430, 200560, 221488, 233680, 276860, 318389, 553720, 636778, 1107440, 1273556, 1591945, 2547112, 3183890, 5094224, 6367780, 12735560, 25471120]

約数ペア:

[(1, 25471120), (2, 12735560), (4, 6367780), (5, 5094224), (8, 3183890), (10, 2547112), (16, 1591945), (20, 1273556), (23, 1107440), (40, 636778), (46, 553720), (80, 318389), (92, 276860), (109, 233680), (115, 221488), (127, 200560), (184, 138430), (218, 116840), (230, 110744), (254, 100280), (368, 69215), (436, 58420), (460, 55372), (508, 50140), (545, 46736), (635, 40112), (872, 29210), (920, 27686), (1016, 25070), (1090, 23368), (1270, 20056), (1744, 14605), (1840, 13843), (2032, 12535), (2180, 11684), (2507, 10160), (2540, 10028), (2921, 8720), (4360, 5842), (5014, 5080)]