55756720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:334

約数の個数: 80

約数和(自身を含む): 134991360

約数和(自身を除く): 79234640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 89, 164, 178, 191, 205, 328, 356, 382, 410, 445, 656, 712, 764, 820, 890, 955, 1424, 1528, 1640, 1780, 1910, 3056, 3280, 3560, 3649, 3820, 7120, 7298, 7640, 7831, 14596, 15280, 15662, 16999, 18245, 29192, 31324, 33998, 36490, 39155, 58384, 62648, 67996, 72980, 78310, 84995, 125296, 135992, 145960, 156620, 169990, 271984, 291920, 313240, 339980, 626480, 679960, 696959, 1359920, 1393918, 2787836, 3484795, 5575672, 6969590, 11151344, 13939180, 27878360, 55756720]

約数ペア:

[(1, 55756720), (2, 27878360), (4, 13939180), (5, 11151344), (8, 6969590), (10, 5575672), (16, 3484795), (20, 2787836), (40, 1393918), (41, 1359920), (80, 696959), (82, 679960), (89, 626480), (164, 339980), (178, 313240), (191, 291920), (205, 271984), (328, 169990), (356, 156620), (382, 145960), (410, 135992), (445, 125296), (656, 84995), (712, 78310), (764, 72980), (820, 67996), (890, 62648), (955, 58384), (1424, 39155), (1528, 36490), (1640, 33998), (1780, 31324), (1910, 29192), (3056, 18245), (3280, 16999), (3560, 15662), (3649, 15280), (3820, 14596), (7120, 7831), (7298, 7640)]