40468864

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 84235680

約数和(自身を除く): 43766816

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 71, 73, 122, 128, 142, 146, 244, 284, 292, 488, 568, 584, 976, 1136, 1168, 1952, 2272, 2336, 3904, 4331, 4453, 4544, 4672, 5183, 7808, 8662, 8906, 9088, 9344, 10366, 17324, 17812, 20732, 34648, 35624, 41464, 69296, 71248, 82928, 138592, 142496, 165856, 277184, 284992, 316163, 331712, 554368, 569984, 632326, 663424, 1264652, 2529304, 5058608, 10117216, 20234432, 40468864]

約数ペア:

[(1, 40468864), (2, 20234432), (4, 10117216), (8, 5058608), (16, 2529304), (32, 1264652), (61, 663424), (64, 632326), (71, 569984), (73, 554368), (122, 331712), (128, 316163), (142, 284992), (146, 277184), (244, 165856), (284, 142496), (292, 138592), (488, 82928), (568, 71248), (584, 69296), (976, 41464), (1136, 35624), (1168, 34648), (1952, 20732), (2272, 17812), (2336, 17324), (3904, 10366), (4331, 9344), (4453, 9088), (4544, 8906), (4672, 8662), (5183, 7808)]