4080367120

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1\times {\mathrm{1423}}^1$

素因数の和:2000

約数の個数: 80

約数和(自身を含む): 9643168512

約数和(自身を除く): 5562801392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 491, 584, 730, 982, 1168, 1423, 1460, 1964, 2455, 2846, 2920, 3928, 4910, 5692, 5840, 7115, 7856, 9820, 11384, 14230, 19640, 22768, 28460, 35843, 39280, 56920, 71686, 103879, 113840, 143372, 179215, 207758, 286744, 358430, 415516, 519395, 573488, 698693, 716860, 831032, 1038790, 1397386, 1433720, 1662064, 2077580, 2794772, 2867440, 3493465, 4155160, 5589544, 6986930, 8310320, 11179088, 13973860, 27947720, 51004589, 55895440, 102009178, 204018356, 255022945, 408036712, 510045890, 816073424, 1020091780, 2040183560, 4080367120]

約数ペア:

[(1, 4080367120), (2, 2040183560), (4, 1020091780), (5, 816073424), (8, 510045890), (10, 408036712), (16, 255022945), (20, 204018356), (40, 102009178), (73, 55895440), (80, 51004589), (146, 27947720), (292, 13973860), (365, 11179088), (491, 8310320), (584, 6986930), (730, 5589544), (982, 4155160), (1168, 3493465), (1423, 2867440), (1460, 2794772), (1964, 2077580), (2455, 1662064), (2846, 1433720), (2920, 1397386), (3928, 1038790), (4910, 831032), (5692, 716860), (5840, 698693), (7115, 573488), (7856, 519395), (9820, 415516), (11384, 358430), (14230, 286744), (19640, 207758), (22768, 179215), (28460, 143372), (35843, 113840), (39280, 103879), (56920, 71686)]