79989760

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:961

約数の個数: 88

約数和(自身を含む): 203389920

約数和(自身を除く): 123400160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 919, 1024, 1088, 1280, 1360, 1838, 2176, 2560, 2720, 3676, 4352, 4595, 5120, 5440, 7352, 8704, 9190, 10880, 14704, 15623, 17408, 18380, 21760, 29408, 31246, 36760, 43520, 58816, 62492, 73520, 78115, 87040, 117632, 124984, 147040, 156230, 235264, 249968, 294080, 312460, 470528, 499936, 588160, 624920, 941056, 999872, 1176320, 1249840, 1999744, 2352640, 2499680, 3999488, 4705280, 4999360, 7998976, 9998720, 15997952, 19997440, 39994880, 79989760]

約数ペア:

[(1, 79989760), (2, 39994880), (4, 19997440), (5, 15997952), (8, 9998720), (10, 7998976), (16, 4999360), (17, 4705280), (20, 3999488), (32, 2499680), (34, 2352640), (40, 1999744), (64, 1249840), (68, 1176320), (80, 999872), (85, 941056), (128, 624920), (136, 588160), (160, 499936), (170, 470528), (256, 312460), (272, 294080), (320, 249968), (340, 235264), (512, 156230), (544, 147040), (640, 124984), (680, 117632), (919, 87040), (1024, 78115), (1088, 73520), (1280, 62492), (1360, 58816), (1838, 43520), (2176, 36760), (2560, 31246), (2720, 29408), (3676, 21760), (4352, 18380), (4595, 17408), (5120, 15623), (5440, 14704), (7352, 10880), (8704, 9190)]