12883840

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 31615920

約数和(自身を除く): 18732080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 491, 640, 656, 820, 982, 1312, 1640, 1964, 2455, 2624, 3280, 3928, 4910, 5248, 6560, 7856, 9820, 13120, 15712, 19640, 20131, 26240, 31424, 39280, 40262, 62848, 78560, 80524, 100655, 157120, 161048, 201310, 314240, 322096, 402620, 644192, 805240, 1288384, 1610480, 2576768, 3220960, 6441920, 12883840]

約数ペア:

[(1, 12883840), (2, 6441920), (4, 3220960), (5, 2576768), (8, 1610480), (10, 1288384), (16, 805240), (20, 644192), (32, 402620), (40, 322096), (41, 314240), (64, 201310), (80, 161048), (82, 157120), (128, 100655), (160, 80524), (164, 78560), (205, 62848), (320, 40262), (328, 39280), (410, 31424), (491, 26240), (640, 20131), (656, 19640), (820, 15712), (982, 13120), (1312, 9820), (1640, 7856), (1964, 6560), (2455, 5248), (2624, 4910), (3280, 3928)]