27403520

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 66716160

約数和(自身を除く): 39312640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 271, 316, 320, 395, 542, 632, 640, 790, 1084, 1264, 1280, 1355, 1580, 2168, 2528, 2710, 3160, 4336, 5056, 5420, 6320, 8672, 10112, 10840, 12640, 17344, 20224, 21409, 21680, 25280, 34688, 42818, 43360, 50560, 69376, 85636, 86720, 101120, 107045, 171272, 173440, 214090, 342544, 346880, 428180, 685088, 856360, 1370176, 1712720, 2740352, 3425440, 5480704, 6850880, 13701760, 27403520]

約数ペア:

[(1, 27403520), (2, 13701760), (4, 6850880), (5, 5480704), (8, 3425440), (10, 2740352), (16, 1712720), (20, 1370176), (32, 856360), (40, 685088), (64, 428180), (79, 346880), (80, 342544), (128, 214090), (158, 173440), (160, 171272), (256, 107045), (271, 101120), (316, 86720), (320, 85636), (395, 69376), (542, 50560), (632, 43360), (640, 42818), (790, 34688), (1084, 25280), (1264, 21680), (1280, 21409), (1355, 20224), (1580, 17344), (2168, 12640), (2528, 10840), (2710, 10112), (3160, 8672), (4336, 6320), (5056, 5420)]