80211712

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2633}}^1$

素因数の和:2673

約数の個数: 72

約数和(自身を含む): 193820256

約数和(自身を除く): 113608544

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 544, 896, 952, 1088, 1792, 1904, 2176, 2633, 3808, 4352, 5266, 7616, 10532, 15232, 18431, 21064, 30464, 36862, 42128, 44761, 73724, 84256, 89522, 147448, 168512, 179044, 294896, 313327, 337024, 358088, 589792, 626654, 674048, 716176, 1179584, 1253308, 1432352, 2359168, 2506616, 2864704, 4718336, 5013232, 5729408, 10026464, 11458816, 20052928, 40105856, 80211712]

約数ペア:

[(1, 80211712), (2, 40105856), (4, 20052928), (7, 11458816), (8, 10026464), (14, 5729408), (16, 5013232), (17, 4718336), (28, 2864704), (32, 2506616), (34, 2359168), (56, 1432352), (64, 1253308), (68, 1179584), (112, 716176), (119, 674048), (128, 626654), (136, 589792), (224, 358088), (238, 337024), (256, 313327), (272, 294896), (448, 179044), (476, 168512), (544, 147448), (896, 89522), (952, 84256), (1088, 73724), (1792, 44761), (1904, 42128), (2176, 36862), (2633, 30464), (3808, 21064), (4352, 18431), (5266, 15232), (7616, 10532)]