63982720

素因数分解:

$2^7\times 5^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 153948600

約数和(自身を除く): 89965880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 257, 320, 389, 514, 640, 778, 1028, 1285, 1556, 1945, 2056, 2570, 3112, 3890, 4112, 5140, 6224, 7780, 8224, 10280, 12448, 15560, 16448, 20560, 24896, 31120, 32896, 41120, 49792, 62240, 82240, 99973, 124480, 164480, 199946, 248960, 399892, 499865, 799784, 999730, 1599568, 1999460, 3199136, 3998920, 6398272, 7997840, 12796544, 15995680, 31991360, 63982720]

約数ペア:

[(1, 63982720), (2, 31991360), (4, 15995680), (5, 12796544), (8, 7997840), (10, 6398272), (16, 3998920), (20, 3199136), (32, 1999460), (40, 1599568), (64, 999730), (80, 799784), (128, 499865), (160, 399892), (257, 248960), (320, 199946), (389, 164480), (514, 124480), (640, 99973), (778, 82240), (1028, 62240), (1285, 49792), (1556, 41120), (1945, 32896), (2056, 31120), (2570, 24896), (3112, 20560), (3890, 16448), (4112, 15560), (5140, 12448), (6224, 10280), (7780, 8224)]