28501520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1152

約数の個数: 80

約数和(自身を含む): 73923840

約数和(自身を除く): 45422320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1103, 1292, 1360, 1520, 1615, 2206, 2584, 3230, 4412, 5168, 5515, 6460, 8824, 11030, 12920, 17648, 18751, 20957, 22060, 25840, 37502, 41914, 44120, 75004, 83828, 88240, 93755, 104785, 150008, 167656, 187510, 209570, 300016, 335312, 356269, 375020, 419140, 712538, 750040, 838280, 1425076, 1500080, 1676560, 1781345, 2850152, 3562690, 5700304, 7125380, 14250760, 28501520]

約数ペア:

[(1, 28501520), (2, 14250760), (4, 7125380), (5, 5700304), (8, 3562690), (10, 2850152), (16, 1781345), (17, 1676560), (19, 1500080), (20, 1425076), (34, 838280), (38, 750040), (40, 712538), (68, 419140), (76, 375020), (80, 356269), (85, 335312), (95, 300016), (136, 209570), (152, 187510), (170, 167656), (190, 150008), (272, 104785), (304, 93755), (323, 88240), (340, 83828), (380, 75004), (646, 44120), (680, 41914), (760, 37502), (1103, 25840), (1292, 22060), (1360, 20957), (1520, 18751), (1615, 17648), (2206, 12920), (2584, 11030), (3230, 8824), (4412, 6460), (5168, 5515)]