13813760

素因数分解:

$2^{11}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:117

約数の個数: 96

約数和(自身を含む): 35380800

約数和(自身を除く): 21567040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 71, 76, 80, 95, 128, 142, 152, 160, 190, 256, 284, 304, 320, 355, 380, 512, 568, 608, 640, 710, 760, 1024, 1136, 1216, 1280, 1349, 1420, 1520, 2048, 2272, 2432, 2560, 2698, 2840, 3040, 4544, 4864, 5120, 5396, 5680, 6080, 6745, 9088, 9728, 10240, 10792, 11360, 12160, 13490, 18176, 19456, 21584, 22720, 24320, 26980, 36352, 38912, 43168, 45440, 48640, 53960, 72704, 86336, 90880, 97280, 107920, 145408, 172672, 181760, 194560, 215840, 345344, 363520, 431680, 690688, 727040, 863360, 1381376, 1726720, 2762752, 3453440, 6906880, 13813760]

約数ペア:

[(1, 13813760), (2, 6906880), (4, 3453440), (5, 2762752), (8, 1726720), (10, 1381376), (16, 863360), (19, 727040), (20, 690688), (32, 431680), (38, 363520), (40, 345344), (64, 215840), (71, 194560), (76, 181760), (80, 172672), (95, 145408), (128, 107920), (142, 97280), (152, 90880), (160, 86336), (190, 72704), (256, 53960), (284, 48640), (304, 45440), (320, 43168), (355, 38912), (380, 36352), (512, 26980), (568, 24320), (608, 22720), (640, 21584), (710, 19456), (760, 18176), (1024, 13490), (1136, 12160), (1216, 11360), (1280, 10792), (1349, 10240), (1420, 9728), (1520, 9088), (2048, 6745), (2272, 6080), (2432, 5680), (2560, 5396), (2698, 5120), (2840, 4864), (3040, 4544)]