881920

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 2317896

約数和(自身を除く): 1435976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 64, 65, 80, 104, 106, 128, 130, 160, 208, 212, 256, 260, 265, 320, 416, 424, 520, 530, 640, 689, 832, 848, 1040, 1060, 1280, 1378, 1664, 1696, 2080, 2120, 2756, 3328, 3392, 3445, 4160, 4240, 5512, 6784, 6890, 8320, 8480, 11024, 13568, 13780, 16640, 16960, 22048, 27560, 33920, 44096, 55120, 67840, 88192, 110240, 176384, 220480, 440960, 881920]

約数ペア:

[(1, 881920), (2, 440960), (4, 220480), (5, 176384), (8, 110240), (10, 88192), (13, 67840), (16, 55120), (20, 44096), (26, 33920), (32, 27560), (40, 22048), (52, 16960), (53, 16640), (64, 13780), (65, 13568), (80, 11024), (104, 8480), (106, 8320), (128, 6890), (130, 6784), (160, 5512), (208, 4240), (212, 4160), (256, 3445), (260, 3392), (265, 3328), (320, 2756), (416, 2120), (424, 2080), (520, 1696), (530, 1664), (640, 1378), (689, 1280), (832, 1060), (848, 1040)]