26389760

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 64569960

約数和(自身を除く): 38180200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 389, 424, 530, 640, 778, 848, 1060, 1280, 1556, 1696, 1945, 2120, 3112, 3392, 3890, 4240, 6224, 6784, 7780, 8480, 12448, 13568, 15560, 16960, 20617, 24896, 31120, 33920, 41234, 49792, 62240, 67840, 82468, 99584, 103085, 124480, 164936, 206170, 248960, 329872, 412340, 497920, 659744, 824680, 1319488, 1649360, 2638976, 3298720, 5277952, 6597440, 13194880, 26389760]

約数ペア:

[(1, 26389760), (2, 13194880), (4, 6597440), (5, 5277952), (8, 3298720), (10, 2638976), (16, 1649360), (20, 1319488), (32, 824680), (40, 659744), (53, 497920), (64, 412340), (80, 329872), (106, 248960), (128, 206170), (160, 164936), (212, 124480), (256, 103085), (265, 99584), (320, 82468), (389, 67840), (424, 62240), (530, 49792), (640, 41234), (778, 33920), (848, 31120), (1060, 24896), (1280, 20617), (1556, 16960), (1696, 15560), (1945, 13568), (2120, 12448), (3112, 8480), (3392, 7780), (3890, 6784), (4240, 6224)]