259152040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40241}}^1$

素因数の和:40282

約数の個数: 64

約数和(自身を含む): 695381760

約数和(自身を除く): 436229720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 40241, 80482, 160964, 201205, 281687, 321928, 402410, 563374, 804820, 925543, 1126748, 1408435, 1609640, 1851086, 2253496, 2816870, 3702172, 4627715, 5633740, 6478801, 7404344, 9255430, 11267480, 12957602, 18510860, 25915204, 32394005, 37021720, 51830408, 64788010, 129576020, 259152040]

約数ペア:

[(1, 259152040), (2, 129576020), (4, 64788010), (5, 51830408), (7, 37021720), (8, 32394005), (10, 25915204), (14, 18510860), (20, 12957602), (23, 11267480), (28, 9255430), (35, 7404344), (40, 6478801), (46, 5633740), (56, 4627715), (70, 3702172), (92, 2816870), (115, 2253496), (140, 1851086), (161, 1609640), (184, 1408435), (230, 1126748), (280, 925543), (322, 804820), (460, 563374), (644, 402410), (805, 321928), (920, 281687), (1288, 201205), (1610, 160964), (3220, 80482), (6440, 40241)]