39446920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 92534400

約数和(自身を除く): 53087480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 359, 410, 536, 670, 718, 820, 1340, 1436, 1640, 1795, 2680, 2747, 2872, 3590, 5494, 7180, 10988, 13735, 14360, 14719, 21976, 24053, 27470, 29438, 48106, 54940, 58876, 73595, 96212, 109880, 117752, 120265, 147190, 192424, 240530, 294380, 481060, 588760, 962120, 986173, 1972346, 3944692, 4930865, 7889384, 9861730, 19723460, 39446920]

約数ペア:

[(1, 39446920), (2, 19723460), (4, 9861730), (5, 7889384), (8, 4930865), (10, 3944692), (20, 1972346), (40, 986173), (41, 962120), (67, 588760), (82, 481060), (134, 294380), (164, 240530), (205, 192424), (268, 147190), (328, 120265), (335, 117752), (359, 109880), (410, 96212), (536, 73595), (670, 58876), (718, 54940), (820, 48106), (1340, 29438), (1436, 27470), (1640, 24053), (1795, 21976), (2680, 14719), (2747, 14360), (2872, 13735), (3590, 10988), (5494, 7180)]