4380640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 11975040

約数和(自身を除く): 7594400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 131, 152, 160, 176, 190, 209, 220, 262, 304, 352, 380, 418, 440, 524, 608, 655, 760, 836, 880, 1045, 1048, 1310, 1441, 1520, 1672, 1760, 2090, 2096, 2489, 2620, 2882, 3040, 3344, 4180, 4192, 4978, 5240, 5764, 6688, 7205, 8360, 9956, 10480, 11528, 12445, 14410, 16720, 19912, 20960, 23056, 24890, 27379, 28820, 33440, 39824, 46112, 49780, 54758, 57640, 79648, 99560, 109516, 115280, 136895, 199120, 219032, 230560, 273790, 398240, 438064, 547580, 876128, 1095160, 2190320, 4380640]

約数ペア:

[(1, 4380640), (2, 2190320), (4, 1095160), (5, 876128), (8, 547580), (10, 438064), (11, 398240), (16, 273790), (19, 230560), (20, 219032), (22, 199120), (32, 136895), (38, 115280), (40, 109516), (44, 99560), (55, 79648), (76, 57640), (80, 54758), (88, 49780), (95, 46112), (110, 39824), (131, 33440), (152, 28820), (160, 27379), (176, 24890), (190, 23056), (209, 20960), (220, 19912), (262, 16720), (304, 14410), (352, 12445), (380, 11528), (418, 10480), (440, 9956), (524, 8360), (608, 7205), (655, 6688), (760, 5764), (836, 5240), (880, 4978), (1045, 4192), (1048, 4180), (1310, 3344), (1441, 3040), (1520, 2882), (1672, 2620), (1760, 2489), (2090, 2096)]