39999408

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:810

約数の個数: 80

約数和(自身を含む): 110707200

約数和(自身を除く): 70707792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 61, 76, 114, 122, 152, 183, 228, 244, 304, 366, 456, 488, 719, 732, 912, 976, 1159, 1438, 1464, 2157, 2318, 2876, 2928, 3477, 4314, 4636, 5752, 6954, 8628, 9272, 11504, 13661, 13908, 17256, 18544, 27322, 27816, 34512, 40983, 43859, 54644, 55632, 81966, 87718, 109288, 131577, 163932, 175436, 218576, 263154, 327864, 350872, 526308, 655728, 701744, 833321, 1052616, 1666642, 2105232, 2499963, 3333284, 4999926, 6666568, 9999852, 13333136, 19999704, 39999408]

約数ペア:

[(1, 39999408), (2, 19999704), (3, 13333136), (4, 9999852), (6, 6666568), (8, 4999926), (12, 3333284), (16, 2499963), (19, 2105232), (24, 1666642), (38, 1052616), (48, 833321), (57, 701744), (61, 655728), (76, 526308), (114, 350872), (122, 327864), (152, 263154), (183, 218576), (228, 175436), (244, 163932), (304, 131577), (366, 109288), (456, 87718), (488, 81966), (719, 55632), (732, 54644), (912, 43859), (976, 40983), (1159, 34512), (1438, 27816), (1464, 27322), (2157, 18544), (2318, 17256), (2876, 13908), (2928, 13661), (3477, 11504), (4314, 9272), (4636, 8628), (5752, 6954)]