40466816

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 88164720

約数和(自身を除く): 47697904

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 83, 104, 128, 166, 208, 293, 332, 416, 586, 664, 832, 1079, 1172, 1328, 1664, 2158, 2344, 2656, 3809, 4316, 4688, 5312, 7618, 8632, 9376, 10624, 15236, 17264, 18752, 24319, 30472, 34528, 37504, 48638, 60944, 69056, 97276, 121888, 138112, 194552, 243776, 316147, 389104, 487552, 632294, 778208, 1264588, 1556416, 2529176, 3112832, 5058352, 10116704, 20233408, 40466816]

約数ペア:

[(1, 40466816), (2, 20233408), (4, 10116704), (8, 5058352), (13, 3112832), (16, 2529176), (26, 1556416), (32, 1264588), (52, 778208), (64, 632294), (83, 487552), (104, 389104), (128, 316147), (166, 243776), (208, 194552), (293, 138112), (332, 121888), (416, 97276), (586, 69056), (664, 60944), (832, 48638), (1079, 37504), (1172, 34528), (1328, 30472), (1664, 24319), (2158, 18752), (2344, 17264), (2656, 15236), (3809, 10624), (4316, 9376), (4688, 8632), (5312, 7618)]