90078880

素因数分解:

$2^5\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2243}}^1$

素因数の和:2509

約数の個数: 48

約数和(自身を含む): 213754464

約数和(自身を除く): 123675584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251, 502, 1004, 1255, 2008, 2243, 2510, 4016, 4486, 5020, 8032, 8972, 10040, 11215, 17944, 20080, 22430, 35888, 40160, 44860, 71776, 89720, 179440, 358880, 562993, 1125986, 2251972, 2814965, 4503944, 5629930, 9007888, 11259860, 18015776, 22519720, 45039440, 90078880]

約数ペア:

[(1, 90078880), (2, 45039440), (4, 22519720), (5, 18015776), (8, 11259860), (10, 9007888), (16, 5629930), (20, 4503944), (32, 2814965), (40, 2251972), (80, 1125986), (160, 562993), (251, 358880), (502, 179440), (1004, 89720), (1255, 71776), (2008, 44860), (2243, 40160), (2510, 35888), (4016, 22430), (4486, 20080), (5020, 17944), (8032, 11215), (8972, 10040)]