40383220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 87494400

約数和(自身を除く): 47111180

約数列:

[1, 2, 4, 5, 10, 20, 61, 79, 122, 158, 244, 305, 316, 395, 419, 610, 790, 838, 1220, 1580, 1676, 2095, 4190, 4819, 8380, 9638, 19276, 24095, 25559, 33101, 48190, 51118, 66202, 96380, 102236, 127795, 132404, 165505, 255590, 331010, 511180, 662020, 2019161, 4038322, 8076644, 10095805, 20191610, 40383220]

約数ペア:

[(1, 40383220), (2, 20191610), (4, 10095805), (5, 8076644), (10, 4038322), (20, 2019161), (61, 662020), (79, 511180), (122, 331010), (158, 255590), (244, 165505), (305, 132404), (316, 127795), (395, 102236), (419, 96380), (610, 66202), (790, 51118), (838, 48190), (1220, 33101), (1580, 25559), (1676, 24095), (2095, 19276), (4190, 9638), (4819, 8380)]